Problem: Please answer a question about the following article about Alfred North Whitehead:
The two volume biography of Whitehead by Victor Lowe is the most definitive presentation of the life of Whitehead. However, many details of Whitehead's life remain obscure because he left no Nachlass; his family carried out his instructions that all of his papers be destroyed after his death. Additionally, Whitehead was known for his "almost fanatical belief in the right to privacy", and for writing very few personal letters of the kind that would help to gain insight on his life. This led to Lowe himself remarking on the first page of Whitehead's biography, "No professional biographer in his right mind would touch him."
Who wrote the biography of Whitehead?
A: Victor Lowe
Problem: Please answer a question about the following article about Strasbourg:
Unlike most other cities, Strasbourg's collections of European art are divided into several museums according not only to type and area, but also to epoch. Old master paintings from the Germanic Rhenish territories and until 1681 are displayed in the Musée de l'Œuvre Notre-Dame, old master paintings from all the rest of Europe (including the Dutch Rhenish territories) and until 1871 as well as old master paintings from the Germanic Rhenish territories between 1681 and 1871 are displayed in the Musée des Beaux-Arts. Old master graphic arts until 1871 is displayed in the Cabinet des estampes et dessins. Decorative arts until 1681 ("German period") are displayed in the Musée de l'Œuvre Notre-Dame, decorative arts from 1681 to 1871 ("French period") are displayed in the Musée des Arts décoratifs. International art (painting, sculpture, graphic arts) and decorative art since 1871 is displayed in the Musée d'art moderne et contemporain. The latter museum also displays the city's photographic library.
Where are old master paintings from the Germanic Rhenish territories until 1681 held? 
A: Musée de l'Œuvre Notre-Dame
Problem: Please answer a question about the following article about Rule of law:
One important aspect of the rule-of-law initiatives is the study and analysis of the rule of law’s impact on economic development. The rule-of-law movement cannot be fully successful in transitional and developing countries without an answer to the question: does the rule of law matter for economic development or not? Constitutional economics is the study of the compatibility of economic and financial decisions within existing constitutional law frameworks, and such a framework includes government spending on the judiciary, which, in many transitional and developing countries, is completely controlled by the executive. It is useful to distinguish between the two methods of corruption of the judiciary: corruption by the executive branch, in contrast to corruption by private actors.
The impact of the rule of law on what is closely studied?
A: economic development
Problem: Please answer a question about the following article about Saint Barth%C3%A9lemy:
Other trees of note include the royal palm, sea grape trees in the form of shrubs on the beaches and as 5 to 7 m trees in the interior areas of the island, aloe or aloe vera (brought from the Mediterranean), the night blooming cereus, mamillaria nivosa, yellow prickly pear or barbary fig which was planted as barbed wire defences against invading British army in 1773, Mexican cactus, stapelia gigantea, golden trumpet or yellow bell which was originally from South America, bougainvillea and others.
What is the name of the night blooming flower on St. Barts?
A:
cereus