Question: what dialect of spanish is spoken in spain
[{'answer': 'Spanish ( Castilian )', 'provenance': [{'wikipedia_id': '3482311', 'title': 'Languages of Spain', 'start_paragraph_id': 3, 'start_character': 98, 'end_paragraph_id': 3, 'end_character': 118, 'bleu_score': 1.0, 'section': 'Section::::Present-day languages.\n'}]}, {'provenance': [{'wikipedia_id': '3482311', 'title': 'Languages of Spain', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 274, 'bleu_score': 0.861698575662121, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 278896460012979866}, 'section': 'Section::::Present-day languages.\n'}]}]