Question: what is the ball called in jai alai
[{'answer': 'pelota', 'provenance': [{'wikipedia_id': '234695', 'title': 'Jai alai', 'start_paragraph_id': 1, 'start_character': 164, 'end_paragraph_id': 1, 'end_character': 170, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '234695', 'title': 'Jai alai', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 1066, 'bleu_score': 0.938381587051855, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4159625511883276107}, 'section': 'Section::::Rules and customs.\n'}]}]