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).
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Question: concept: South America  answers:  ['Northern Hemisphere', 'Southern Hemisphere']

Answer: what hemisphere south america?


Question: concept: Vasco Da Gama  answers:  ['Portugal']

Answer: what country vasco da gama sail for?


Question: concept: Madrid  answers:  ['Paseo del Prado', 'Thyssen-Bornemisza Museum', 'Almudena Cathedral', 'Plaza de Cibeles', 'Puerta del Sol', 'Royal Palace of Madrid', 'Museo de Lazaro Galdiano', 'Gran Vía', 'Museo Nacional Centro de Arte Reina Sofía', 'Plaza Mayor, Madrid']

Answer:
what sights to see in madrid?