Question: who had the longest hitting streak in mlb history
[{'answer': 'Joe DiMaggio', 'provenance': [{'wikipedia_id': '428226', 'title': 'Hitting streak', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '428226', 'title': 'Hitting streak', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 228, 'bleu_score': 0.8527204701689131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16176970319083357102}, 'section': 'Section::::Abstract.'}]}]