Question: when was the volcano built at kings dominion
[{'answer': '1998', 'provenance': [{'wikipedia_id': '5233363', 'title': 'Volcano: The Blast Coaster', 'start_paragraph_id': 1, 'start_character': 394, 'end_paragraph_id': 1, 'end_character': 398, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]