Question: how many miles is ocean city nj boardwalk
[{'answer': '2.5 miles'}, {'provenance': [{'wikipedia_id': '125118', 'title': 'Ocean City, New Jersey', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 259, 'bleu_score': 0.7769540978333821, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12842696849977646625}, 'section': 'Section::::Abstract.'}]}]