Question: who won the masters for the last 5 years
[{'answer': 'Patrick Reed'}, {'answer': 'Sergio García', 'provenance': [{'wikipedia_id': '16354524', 'title': 'List of Masters Tournament champions', 'start_paragraph_id': 23, 'start_character': 12, 'end_paragraph_id': 23, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Notes.\n'}]}, {'answer': 'Danny Willett'}, {'answer': 'Jordan Spieth', 'provenance': [{'wikipedia_id': '16354524', 'title': 'List of Masters Tournament champions', 'start_paragraph_id': 2, 'start_character': 566, 'end_paragraph_id': 2, 'end_character': 579, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Bubba Watson', 'provenance': [{'wikipedia_id': '16354524', 'title': 'List of Masters Tournament champions', 'start_paragraph_id': 21, 'start_character': 12, 'end_paragraph_id': 21, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Notes.\n'}]}]