Question: when did the movie the post go into production
[{'answer': 'May 30 , 2017', 'provenance': [{'wikipedia_id': '53404298', 'title': 'The Post (film)', 'start_paragraph_id': 46, 'start_character': 52, 'end_paragraph_id': 46, 'end_character': 65, 'bleu_score': 1.0, 'section': 'Section::::Production.:Filming.\n'}]}, {'provenance': [{'wikipedia_id': '53404298', 'title': 'The Post (film)', 'start_paragraph_id': 46, 'start_character': 0, 'end_paragraph_id': 46, 'end_character': 561, 'bleu_score': 0.979054689945215, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2931409811235242436}, 'section': 'Section::::Production.:Filming.\n'}]}]