Question: when did michael jordan became owner of charlotte bobcats
[{'answer': '2010', 'provenance': [{'wikipedia_id': '243389', 'title': 'Charlotte Hornets', 'start_paragraph_id': 1, 'start_character': 349, 'end_paragraph_id': 1, 'end_character': 353, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '243389', 'title': 'Charlotte Hornets', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 431, 'bleu_score': 0.970362113628587, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7126440650962960838}, 'section': 'Section::::Abstract.'}]}]