TASK DEFINITION: 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).
PROBLEM: concept: Lena River  answers:  ['Baikal Mountains']

SOLUTION: where does lena river begin and end?

PROBLEM: concept: D Carter  answers:  ['University of Phoenix']

SOLUTION: what college did lil wayne graduated from?

PROBLEM: concept: Barcelona  answers:  ['Museu Picasso', 'Gothic Quarter, Barcelona', 'Park Güell', 'La Rambla', 'Palau de la Música Catalana', 'Sagrada Família', "Plaça d'Espanya, Barcelona", 'Barcelona Museum of Contemporary Art', 'Casa Milà', "Museu Nacional d'Art de Catalunya"]

SOLUTION:
what is there to see in barcelona?