Problem: What is the question to: "The 500-year-old Roman Republic , which preceded it, had been destabilized through a series of civil wars ."? The topic is Roman Empire.

A: "how long did the roman empire last?"

Problem: What is the question to: "Richard Milhous Nixon (January 9, 1913 April 22, 1994) was the 37th President of the United States , serving from 1969 to 1974, when he became the only president to resign the office."? The topic is Richard Nixon.

A: "how long was richard nixon a president?"

Problem: What is the question to: "Lobbying (also lobby) is the act of attempting to influence decisions made by officials in the government , most often legislators or members of regulatory agencies ."? The topic is Lobbying.

A: "what are lobbying groups?"

Problem: What is the question to: "Its twelve member institutions (which are primarily flagship research universities in their respective states, well-regarded academically, and with relatively large student enrollment) are located primarily in the Midwest , stretching from Nebraska in the west to Penn State in the east."? The topic is Big Ten Conference.

A:
"how many schools are in the big ten?"