Question: bupernorphine (buprenex® subutex® suboxone®) is used to treat which substance use disorder
[{'answer': 'opioid addiction', 'provenance': [{'wikipedia_id': '779848', 'title': 'Buprenorphine', 'start_paragraph_id': 1, 'start_character': 91, 'end_paragraph_id': 1, 'end_character': 107, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '779848', 'title': 'Buprenorphine', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 626, 'bleu_score': 0.940363042583037, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9781321716838349088}, 'section': 'Section::::Abstract.'}]}]