Question: who was the supreme commander of the western allied forces in europe
[{'answer': 'Dwight D. Eisenhower', 'provenance': [{'wikipedia_id': '322063', 'title': 'Supreme Allied Commander', 'start_paragraph_id': 7, 'start_character': 20, 'end_paragraph_id': 7, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::World War II.\n'}]}, {'provenance': [{'wikipedia_id': '322063', 'title': 'Supreme Allied Commander', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 559, 'bleu_score': 0.977897140678983, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 104466013464953238}, 'section': 'Section::::World War II.\n'}]}]