Question: where is lettuce grown in the united states
[{'answer': 'California', 'provenance': [{'wikipedia_id': '57079', 'title': 'Lettuce', 'start_paragraph_id': 39, 'start_character': 30, 'end_paragraph_id': 39, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}, {'answer': 'Arizona', 'provenance': [{'wikipedia_id': '57079', 'title': 'Lettuce', 'start_paragraph_id': 39, 'start_character': 51, 'end_paragraph_id': 39, 'end_character': 58, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}, {'provenance': [{'wikipedia_id': '57079', 'title': 'Lettuce', 'start_paragraph_id': 39, 'start_character': 0, 'end_paragraph_id': 39, 'end_character': 213, 'bleu_score': 0.948006874591591, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14718397840443384550}, 'section': 'Section::::Production.\n'}]}]