Question: what is the chemical name of ch3 c o o n a
[{'answer': 'Sodium acetate', 'provenance': [{'wikipedia_id': '1488243', 'title': 'Sodium acetate', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1488243', 'title': 'Sodium acetate', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 141, 'bleu_score': 0.6339704064341251, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2257665948193492153}, 'section': 'Section::::Abstract.'}]}]