Question: who won the ncaa mens volleyball championship 2018
[{'answer': 'Long Beach State', 'provenance': [{'wikipedia_id': '1912392', 'title': "NCAA Men's Volleyball Tournament", 'start_paragraph_id': 24, 'start_character': 53, 'end_paragraph_id': 24, 'end_character': 69, 'bleu_score': 1.0, 'section': 'Section::::Past tournaments.\n'}]}]