Question: during world war 1 the head of the food administration
[{'answer': 'Herbert Hoover', 'provenance': [{'wikipedia_id': '26987792', 'title': 'United States Food Administration', 'start_paragraph_id': 5, 'start_character': 140, 'end_paragraph_id': 5, 'end_character': 154, 'bleu_score': 1.0, 'section': 'Section::::History.:The appointment of Hoover.\n'}]}, {'provenance': [{'wikipedia_id': '26987792', 'title': 'United States Food Administration', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 515, 'bleu_score': 0.8837044269719521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7717014034835176151}, 'section': 'Section::::History.:Grain Corporation.\n'}]}]