Question: when did the new york mets became a team
[{'answer': '1962', 'provenance': [{'wikipedia_id': '21728', 'title': 'New York Mets', 'start_paragraph_id': 2, 'start_character': 66, 'end_paragraph_id': 2, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21728', 'title': 'New York Mets', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 504, 'bleu_score': 0.978375183951072, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5600819119786871162}, 'section': 'Section::::Abstract.'}]}]