Question: when does the dc metro start in the morning
[{'answer': '5 am Monday through Friday', 'provenance': [{'wikipedia_id': '146151', 'title': 'Washington Metro', 'start_paragraph_id': 58, 'start_character': 28, 'end_paragraph_id': 58, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::System.:Hours and headways.\n'}]}, {'answer': '7 am on Saturdays', 'provenance': [{'wikipedia_id': '146151', 'title': 'Washington Metro', 'start_paragraph_id': 58, 'start_character': 56, 'end_paragraph_id': 58, 'end_character': 73, 'bleu_score': 1.0, 'section': 'Section::::System.:Hours and headways.\n'}]}, {'answer': '8 am Sundays', 'provenance': [{'wikipedia_id': '146151', 'title': 'Washington Metro', 'start_paragraph_id': 58, 'start_character': 79, 'end_paragraph_id': 58, 'end_character': 91, 'bleu_score': 1.0, 'section': 'Section::::System.:Hours and headways.\n'}]}, {'provenance': [{'wikipedia_id': '146151', 'title': 'Washington Metro', 'start_paragraph_id': 58, 'start_character': 0, 'end_paragraph_id': 58, 'end_character': 898, 'bleu_score': 0.890005765542744, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15690735574555495852}, 'section': 'Section::::System.:Hours and headways.\n'}]}]