Question: when did michael jackson start singing with the jackson 5
[{'answer': '1965', 'provenance': [{'wikipedia_id': '23416820', 'title': 'The Jackson 5', 'start_paragraph_id': 6, 'start_character': 426, 'end_paragraph_id': 6, 'end_character': 430, 'bleu_score': 1.0, 'section': 'Section::::History.:Early years.\n'}]}, {'provenance': [{'wikipedia_id': '23416820', 'title': 'The Jackson 5', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 1073, 'bleu_score': 0.7981976286514101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3598121119341328236}, 'section': 'Section::::History.:Early years.\n'}]}]