Question: who is buried at valle de los caidos
[{'answer': 'Francisco Franco', 'provenance': [{'wikipedia_id': '219714', 'title': 'Valle de los Caídos', 'start_paragraph_id': 16, 'start_character': 15, 'end_paragraph_id': 16, 'end_character': 31, 'bleu_score': 1.0, 'section': "Section::::Franco's tomb.\n"}]}, {'provenance': [{'wikipedia_id': '219714', 'title': 'Valle de los Caídos', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 418, 'bleu_score': 0.9731482306711111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17413896397729172018}, 'section': "Section::::Franco's tomb.\n"}]}]