Question: who drew the first image of uncle sam
[{'answer': 'James Montgomery Flagg', 'provenance': [{'wikipedia_id': '19718874', 'title': 'Uncle Sam', 'start_paragraph_id': 12, 'start_character': 216, 'end_paragraph_id': 12, 'end_character': 238, 'bleu_score': 1.0, 'section': 'Section::::Evolution.\n'}]}, {'provenance': [{'wikipedia_id': '19718874', 'title': 'Uncle Sam', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 609, 'bleu_score': 0.9817332376369081, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18175252959318876464}, 'section': 'Section::::Evolution.\n'}]}]