Question: how many dioceses are there in the united states
[{'answer': '145', 'provenance': [{'wikipedia_id': '1273845', 'title': 'List of Catholic dioceses in the United States', 'start_paragraph_id': 2, 'start_character': 125, 'end_paragraph_id': 2, 'end_character': 128, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1273845', 'title': 'List of Catholic dioceses in the United States', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 1230, 'bleu_score': 0.6759940354046541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 695331897232439314}, 'section': 'Section::::Terminology.\n'}]}]