Title: Catalan language.
Question: What do 15% of secondary school students study as a foreign language?

Title: Pharmaceutical industry.
Question: Which act allows whistleblowers to recover money lost from pharmaceutical fraud?

Title: Sahara.
Question: What country conquered the Algiers from the Ottomans in   1830?

Title: Crucifixion of Jesus.
Question:
Which gospel mentioned the time of Crucifiction?