Question: when was the first road to key west built
[{'answer': 'mid 1920s', 'provenance': [{'wikipedia_id': '1352339', 'title': 'Overseas Highway', 'start_paragraph_id': 5, 'start_character': 158, 'end_paragraph_id': 5, 'end_character': 167, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '1352339', 'title': 'Overseas Highway', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 1731, 'bleu_score': 0.9935169324005341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2667569700086616332}, 'section': 'Section::::History.\n'}]}]