Question: where did the us start fighting in ww2
[{'answer': 'Pearl Harbor', 'provenance': [{'wikipedia_id': '4653534', 'title': 'Military history of the United States during World War II', 'start_paragraph_id': 1, 'start_character': 143, 'end_paragraph_id': 1, 'end_character': 155, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4653534', 'title': 'Military history of the United States during World War II', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 599, 'bleu_score': 0.706751840160576, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 859783689504992522}, 'section': 'Section::::Abstract.'}]}]