Question: when did the washington generals beat the harlem globetrotters
[{'answer': '1954', 'provenance': [{'wikipedia_id': '421616', 'title': 'Washington Generals', 'start_paragraph_id': 18, 'start_character': 199, 'end_paragraph_id': 18, 'end_character': 203, 'bleu_score': 1.0, 'section': 'Section::::Beating the Harlem Globetrotters.\n'}]}, {'answer': '1958', 'provenance': [{'wikipedia_id': '421616', 'title': 'Washington Generals', 'start_paragraph_id': 18, 'start_character': 205, 'end_paragraph_id': 18, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Beating the Harlem Globetrotters.\n'}]}, {'answer': '1971', 'provenance': [{'wikipedia_id': '421616', 'title': 'Washington Generals', 'start_paragraph_id': 7, 'start_character': 202, 'end_paragraph_id': 7, 'end_character': 206, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '421616', 'title': 'Washington Generals', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 315, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8867968472086109066}, 'section': 'Section::::Beating the Harlem Globetrotters.\n'}]}]