Question: what is the population of michigan city indiana
[{'answer': '31,479', 'provenance': [{'wikipedia_id': '112436', 'title': 'Michigan City, Indiana', 'start_paragraph_id': 2, 'start_character': 158, 'end_paragraph_id': 2, 'end_character': 164, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '112436', 'title': 'Michigan City, Indiana', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 183, 'bleu_score': 0.943604326170661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7790543789735030690}, 'section': 'Section::::Abstract.'}]}]