Question: what is the least populated state in the union
[{'answer': 'Wyoming', 'provenance': [{'wikipedia_id': '87525', 'title': 'List of states and territories of the United States by population', 'start_paragraph_id': 2, 'start_character': 341, 'end_paragraph_id': 2, 'end_character': 348, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]