Question: when did michael jackson purchase the beatles catalog
[{'answer': 'August 10 . 1985', 'provenance': [{'wikipedia_id': '2040018', 'title': 'Sony/ATV Music Publishing', 'start_paragraph_id': 16, 'start_character': 577, 'end_paragraph_id': 16, 'end_character': 593, 'bleu_score': 1.0, 'section': 'Section::::History of ATV Music.:Sale of ATV Music to Michael Jackson.\n'}]}, {'provenance': [{'wikipedia_id': '2040018', 'title': 'Sony/ATV Music Publishing', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 762, 'bleu_score': 0.9850176677359421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1587591710852801484}, 'section': 'Section::::History of ATV Music.:Sale of ATV Music to Michael Jackson.\n'}]}]