Question: who has won the 2017 laureus world sportsman of the year and comeback of the year awards
[{'answer': 'Usain Bolt'}, {'answer': 'Michael Phelps', 'provenance': [{'wikipedia_id': '1584122', 'title': 'Laureus World Sports Awards', 'start_paragraph_id': 38, 'start_character': 538, 'end_paragraph_id': 38, 'end_character': 552, 'bleu_score': 1.0, 'section': 'Section::::Winners by category.:Discretionary awards.\n'}]}]