Q: What is the question to: "It is the first-line drug of choice for the treatment of type 2 diabetes , in particular, in overweight and obese people and those with normal kidney function."? The topic is Metformin.
A: "what is metformin used for?"

Q: What is the question to: "On 28 June 1914, Archduke Franz Ferdinand of Austria , heir presumptive to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg , were shot dead in Sarajevo , by Gavrilo Princip , one of a group of six Bosnian Serb assassins coordinated by Danilo Ilic ."? The topic is Assassination of Archduke Franz Ferdinand of Austria.
A: "who kill franz ferdinand ww1?"

Q: What is the question to: "It started with four teams and, through a series of expansions, contractions, and relocations, the league is now composed of 30 active franchises."? The topic is National Hockey League.
A: "how many professional hockey teams in canada?"

Q: What is the question to: "Khrushchev's party colleagues removed him from power in 1964, replacing him with Leonid Brezhnev as First Secretary and Alexei Kosygin as Premier."? The topic is Nikita Khrushchev.
A:
"who replaced nikita khrushchev?"