Question: when was west virginia admitted to the union
[{'answer': 'June 20 , 1863', 'provenance': [{'wikipedia_id': '32905', 'title': 'West Virginia', 'start_paragraph_id': 36, 'start_character': 269, 'end_paragraph_id': 36, 'end_character': 283, 'bleu_score': 1.0, 'section': 'Section::::History.:Separation from Virginia.\n'}]}, {'provenance': [{'wikipedia_id': '32905', 'title': 'West Virginia', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 815, 'bleu_score': 0.885528080640095, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13734502219644412131}, 'section': 'Section::::Abstract.'}]}]