Given the task definition and input, reply with output. 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: Seth Macfarlane answers: ['Peter Griffin', 'Mickey McFinnegan', 'Stewie Griffin', 'Jake Tucker', 'Glenn Quagmire', 'Carter Pewterschmidt', 'Stan Smith', 'Tom Tucker', 'Kevin Swanson', 'Brian Griffin']
what characters does seth macfarlane voice?