Question: what is running of the bulls called in spanish
[{'answer': 'encierro', 'provenance': [{'wikipedia_id': '230955', 'title': 'Running of the bulls', 'start_paragraph_id': 6, 'start_character': 13, 'end_paragraph_id': 6, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Pamplona bull run.\n'}]}]