Question: when was bill and ted's excellent adventure made
[{'answer': '1989', 'provenance': [{'wikipedia_id': '23808966', 'title': "Bill & Ted's Excellent Adventure", 'start_paragraph_id': 1, 'start_character': 38, 'end_paragraph_id': 1, 'end_character': 42, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]