Question: when did construction begin on the lincoln memorial
[{'answer': 'February 12 , 1914', 'provenance': [{'wikipedia_id': '52369', 'title': 'Lincoln Memorial', 'start_paragraph_id': 8, 'start_character': 84, 'end_paragraph_id': 8, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '52369', 'title': 'Lincoln Memorial', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 931, 'bleu_score': 0.885755093635139, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1242829761602898474}, 'section': 'Section::::History.\n'}]}]