Question: when was the idaho state capitol building built
[{'answer': '1920', 'provenance': [{'wikipedia_id': '3593026', 'title': 'Idaho State Capitol', 'start_paragraph_id': 2, 'start_character': 453, 'end_paragraph_id': 2, 'end_character': 457, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3593026', 'title': 'Idaho State Capitol', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 573, 'bleu_score': 0.9505764710553931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 808184451110625163}, 'section': 'Section::::Abstract.'}]}]