Question: when did little house on the prarie come out
[{'answer': 'September 11 , 1974', 'provenance': [{'wikipedia_id': '521317', 'title': 'Little House on the Prairie (TV series)', 'start_paragraph_id': 2, 'start_character': 139, 'end_paragraph_id': 2, 'end_character': 158, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '521317', 'title': 'Little House on the Prairie (TV series)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 345, 'bleu_score': 0.870484347189944, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17386396048231086098}, 'section': 'Section::::Abstract.'}]}]