Question: what battle did the tuskegee airmen help win
[{'answer': 'World War II', 'provenance': [{'wikipedia_id': '71753', 'title': 'Tuskegee Airmen', 'start_paragraph_id': 2, 'start_character': 84, 'end_paragraph_id': 2, 'end_character': 96, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '71753', 'title': 'Tuskegee Airmen', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 336, 'bleu_score': 0.7474206405687711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13923276864168143321}, 'section': 'Section::::Abstract.'}]}]