Question: how many of the regional bank presidents are members of the fomc
[{'answer': 'four of the other eleven', 'provenance': [{'wikipedia_id': '593155', 'title': 'Federal Open Market Committee', 'start_paragraph_id': 4, 'start_character': 113, 'end_paragraph_id': 4, 'end_character': 137, 'bleu_score': 1.0, 'section': 'Section::::Membership.\n'}]}, {'provenance': [{'wikipedia_id': '593155', 'title': 'Federal Open Market Committee', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 372, 'bleu_score': 0.594757188024368, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7874305144599886750}, 'section': 'Section::::Membership.\n'}]}]