Question: where does the ave train leave from in madrid
[{'answer': 'Puerta de Atocha', 'provenance': [{'wikipedia_id': '523382', 'title': 'AVE', 'start_paragraph_id': 82, 'start_character': 46, 'end_paragraph_id': 82, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Operational services.\n'}]}, {'provenance': [{'wikipedia_id': '523382', 'title': 'AVE', 'start_paragraph_id': 82, 'start_character': 0, 'end_paragraph_id': 82, 'end_character': 134, 'bleu_score': 0.9181891462193901, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9389911678294685740}, 'section': 'Section::::Operational services.\n'}]}]