Question: when is the new tappan zee bridge going to be finished
[{'answer': 'June 15 , 2018', 'provenance': [{'wikipedia_id': '33536726', 'title': 'Tappan Zee Bridge (2017–present)', 'start_paragraph_id': 19, 'start_character': 69, 'end_paragraph_id': 19, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Construction progress.:Completion.\n'}]}, {'answer': 'by June 15 , 2018', 'provenance': [{'wikipedia_id': '33536726', 'title': 'Tappan Zee Bridge (2017–present)', 'start_paragraph_id': 19, 'start_character': 66, 'end_paragraph_id': 19, 'end_character': 83, 'bleu_score': 1.0, 'section': 'Section::::Construction progress.:Completion.\n'}]}, {'provenance': [{'wikipedia_id': '33536726', 'title': 'Tappan Zee Bridge (2017present)', 'section': 'Section::::Construction progress.:Completion.\n', 'start_paragraph_id': 19, 'end_paragraph_id': 19, 'meta': {'evidence_span': ['After some delays, the project was later expected to be completed by June 15, 2018', 'After some delays, the project was later expected to be completed by June 15, 2018, at a cost of $3.98 billion. However, the scheduled opening was later pushed back to mid-September. The new southbound/eastbound span was supposed to open to traffic on September 8, 2018.', 'After some delays, the project was later expected to be completed by June 15, 2018, at a cost of $3.98 billion. However, the scheduled opening was later pushed back to mid-September. The new southbound/eastbound span was supposed to open to traffic on September 8, 2018.']}}]}]