Question: when did tear drops on my guitar come out
[{'answer': 'February 19 , 2007', 'provenance': [{'wikipedia_id': '9903456', 'title': 'Teardrops on My Guitar', 'start_paragraph_id': 1, 'start_character': 196, 'end_paragraph_id': 1, 'end_character': 216, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9903456', 'title': 'Teardrops on My Guitar', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1214, 'bleu_score': 0.931410787945628, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13321500555223563550}, 'section': 'Section::::Abstract.'}]}]