Question: where is the oldest parliament in the world located
[{'answer': 'Kingdom of Leon , Spain'}, {'provenance': [{'wikipedia_id': '24406', 'title': 'Parliament', 'start_paragraph_id': 18, 'start_character': 227, 'end_paragraph_id': 18, 'end_character': 385, 'bleu_score': 0.687028746592056, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10278480393340705662}, 'section': 'Section::::Early parliaments.:Spain.\n'}]}]