Teacher:Given a paragraph about movies, and a set of conversational question answers about the paragraph, generate a relevant question to the topic of the paragraph. The paragraph has the prefix 'CONTEXT:'. Each conversation question has a prefix 'Q:' followed by the answer prefix 'A:'.
Teacher: Now, understand the problem? Solve this instance: CONTEXT: In episode 11 of season 1, Underwood is speaking to Vice President Jim Matthews about the possibility of Matthews running for governor of Pennsylvania (and resigning the vice presidency). Matthews protests, saying "[President] Walker needs me for 2016." This establishes that Walker/Matthews were elected to the White House in 2012. <sep> Q: In what year is House of Cards set? A: 2012
Student:
What number president was Walker?