Question: who was the first baseball player to have their number retired
[{'answer': 'Lou Gehrig', 'provenance': [{'wikipedia_id': '667214', 'title': 'List of Major League Baseball retired numbers', 'start_paragraph_id': 2, 'start_character': 173, 'end_paragraph_id': 2, 'end_character': 183, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '667214', 'title': 'List of Major League Baseball retired numbers', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 384, 'bleu_score': 0.968982777549629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7967457829735171861}, 'section': 'Section::::Abstract.'}]}]