Question: how many states border an ocean in the united states
[{'answer': 'twenty - three', 'provenance': [{'wikipedia_id': '14236609', 'title': 'List of U.S. states and territories by coastline', 'start_paragraph_id': 1, 'start_character': 112, 'end_paragraph_id': 1, 'end_character': 129, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14236609', 'title': 'List of U.S. states and territories by coastline', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 299, 'bleu_score': 0.708578556562748, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13002844867720969425}, 'section': 'Section::::Abstract.'}]}]