Question: when did baseball players stop leaving their gloves on the field
[{'answer': '1954'}, {'provenance': [{'wikipedia_id': '847772', 'title': 'Baseball glove', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 164, 'bleu_score': 0.9075772733559511, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17395054054818819540}, 'section': 'Section::::History.\n'}]}]