Question: how many flats or sharps are in the key of f major
[{'answer': 'one flat', 'provenance': [{'wikipedia_id': '1969909', 'title': 'F major', 'start_paragraph_id': 1, 'start_character': 119, 'end_paragraph_id': 1, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1969909', 'title': 'F major', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 130, 'bleu_score': 0.9383861709333501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5844535239786126643}, 'section': 'Section::::Abstract.'}]}]