Question: who does dr strange fight in the movie
[{'answer': 'Dormammu', 'provenance': [{'wikipedia_id': '41668588', 'title': 'Doctor Strange (2016 film)', 'start_paragraph_id': 8, 'start_character': 43, 'end_paragraph_id': 8, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '41668588', 'title': 'Doctor Strange (2016 film)', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 834, 'bleu_score': 0.9845548242372031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3542499830888092570}, 'section': 'Section::::Cast.\n'}]}]