Question: what was jackie robinson's number in baseball
[{'answer': '42', 'provenance': [{'wikipedia_id': '16193', 'title': 'Jackie Robinson', 'start_paragraph_id': 3, 'start_character': 40, 'end_paragraph_id': 3, 'end_character': 42, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16193', 'title': 'Jackie Robinson', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 291, 'bleu_score': 0.865865416659588, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10193796075068566279}, 'section': 'Section::::Abstract.'}]}]