Question: when was the first green jacket awarded at the masters
[{'answer': '1949', 'provenance': [{'wikipedia_id': '157211', 'title': 'Masters Tournament', 'start_paragraph_id': 3, 'start_character': 49, 'end_paragraph_id': 3, 'end_character': 53, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '157211', 'title': 'Masters Tournament', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 1150, 'bleu_score': 0.9457515319639941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16723781605354465901}, 'section': 'Section::::Abstract.'}]}]