Question: how many wineries are there in washington state
[{'answer': '850 +'}, {'provenance': [{'wikipedia_id': '5871244', 'title': 'Washington wine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 904, 'bleu_score': 0.848246147337915, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6721098690501637834}, 'section': 'Section::::Abstract.'}]}]