Question: how much did it cost to build the chesapeake bay bridge tunnel
[{'answer': 'almost $200 million', 'provenance': [{'wikipedia_id': '885929', 'title': 'Chesapeake Bay Bridge–Tunnel', 'start_paragraph_id': 2, 'start_character': 919, 'end_paragraph_id': 2, 'end_character': 938, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '885929', 'title': 'Chesapeake Bay Bridge–Tunnel', 'start_paragraph_id': 2, 'start_character': 19, 'end_paragraph_id': 2, 'end_character': 1082, 'bleu_score': 0.650243569368384, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3235541264357734137}, 'section': 'Section::::Abstract.'}]}]