Question: how many smithsonian museums are there in washington
[{'answer': 'Seventeen'}, {'provenance': [{'wikipedia_id': '22098466', 'title': 'List of Smithsonian museums', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 526, 'bleu_score': 0.7368568661753331, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 967030397531602853}, 'section': 'Section::::Abstract.'}]}]