Question: what is the main food of tamil nadu
[{'answer': 'Rice', 'provenance': [{'wikipedia_id': '1945199', 'title': 'Tamil cuisine', 'start_paragraph_id': 2, 'start_character': 246, 'end_paragraph_id': 2, 'end_character': 250, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'legumes', 'provenance': [{'wikipedia_id': '1945199', 'title': 'Tamil cuisine', 'start_paragraph_id': 2, 'start_character': 252, 'end_paragraph_id': 2, 'end_character': 259, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'lentils', 'provenance': [{'wikipedia_id': '1945199', 'title': 'Tamil cuisine', 'start_paragraph_id': 2, 'start_character': 264, 'end_paragraph_id': 2, 'end_character': 271, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1945199', 'title': 'Tamil cuisine', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 459, 'bleu_score': 0.8645070730523671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11612065078123740691}, 'section': 'Section::::Abstract.'}]}]