Here is a question about this article: During the siege of Jerusalem by the First Crusade in 1099, the Jewish inhabitants of the city fought side by side with the Fatimid garrison and the Muslim population who tried in vain to defend the city against the Crusaders. When the city fell, about 60,000 people were massacred, including 6,000 Jews seeking refuge in a synagogue. At this time, a full thousand years after the fall of the Jewish state, there were Jewish communities all over the country. Fifty of them are known and include Jerusalem, Tiberias, Ramleh, Ashkelon, Caesarea, and Gaza. According to Albert of Aachen, the Jewish residents of Haifa were the main fighting force of the city, and "mixed with Saracen [Fatimid] troops", they fought bravely for close to a month until forced into retreat by the Crusader fleet and land army. However, Joshua Prawer expressed doubt over the story, noting that Albert did not attend the Crusades and that such a prominent role for the Jews is not mentioned by any other source.[undue weight? – discuss]
What is the answer to this question: How many Jews were seeking refuge?
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So... 6,000


Here is a question about this article: The most widely used class of antenna, a dipole antenna consists of two symmetrical radiators such as metal rods or wires, with one side of the balanced feedline from the transmitter or receiver attached to each. A horizontal dipole radiates in two lobes perpendicular to the antenna's axis. A half-wave dipole the most common type, has two collinear elements each a quarter wavelength long and a gain of 2.15 dBi. Used individually as low gain antennas, dipoles are also used as driven elements in many more complicated higher gain types of antennas.
What is the answer to this question: How much gain does a half-wave dipole have?
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So... 2.15 dBi


Here is a question about this article: The first satellite, BeiDou-1A, was launched on 30 October 2000, followed by BeiDou-1B on 20 December 2000. The third satellite, BeiDou-1C (a backup satellite), was put into orbit on 25 May 2003. The successful launch of BeiDou-1C also meant the establishment of the BeiDou-1 navigation system.
What is the answer to this question: When was BeiDou-1A launched?
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So...
20 December 2000