Question: what is the population of nashville tennessee 2018
[{'answer': '1,903,045'}, {'provenance': [{'wikipedia_id': '22018', 'title': 'Nashville, Tennessee', 'start_paragraph_id': 67, 'start_character': 0, 'end_paragraph_id': 67, 'end_character': 439, 'bleu_score': 0.642650788639457, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13078309461400868111}, 'section': 'Section::::Demographics.:Metropolitan area.\n'}]}]