In this task, you're given a context, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both context and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the context or linked information.

Q: Context: the Official Airline Guide (OAG) listed up to eight round trip flights a day operated by Time Air nonstop between Lethbridge and Calgary with Fokker F27 Friendship Link Information: the airline was operating larger Dash 7 turboprops on the Lethbridge-Calgary route Answer: Dash 7

A: How many more passengers could fly on the Dash 7 compared with the Fokker F27 Friendship?
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Q: Context: In September Tsar Nicholas II of Russia visited the Emperor Francis Joseph of Austria-Hungary Link Information: Nicholas II or Nikolai II Alexandrovich Romanov ( 1868 – 17 July 1918) Answer: Francis Joseph of Austria-Hungary

A: Which ruler died first?
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Q: Context: At the Wannsee Conference held near Berlin on 20 January 1942, new plans were outlined for the genocide of the Jews, known as the "Final Solution" to the Jewish Question. Link Information: Of the 15 who attended, 8 held academic doctorates Answer: 15 

A:
How many people attended the conference held near Berlin in January 1942?
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