Question: who has won the most college softball world series
[{'answer': 'UCLA', 'provenance': [{'wikipedia_id': '547178', 'title': "Women's College World Series", 'start_paragraph_id': 6, 'start_character': 21, 'end_paragraph_id': 6, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Division I.:NCAA.\n'}]}]