You are given a concept, and a list of answers. You should generate a question about the concept that leads to the given answer(s).

concept: Doug Williams 1955  answers:  ['1987 NFL season']
what year doug williams won the super bowl?

concept: Major League Baseball  answers:  ['Baltimore Orioles', 'New York Mets', 'Los Angeles Dodgers', 'San Diego Padres', 'Detroit Tigers', 'San Francisco Giants', 'Milwaukee Brewers', 'Tampa Bay Rays', 'New York Yankees', 'Chicago Cubs']
how much mlb teams are there?

concept: European Union  answers:  ['Brussels']

where is eu headquarters located?