Question: who is the actor who plays doctor strange
[{'answer': 'Benedict Cumberbatch', 'provenance': [{'wikipedia_id': '41668588', 'title': 'Doctor Strange (2016 film)', 'start_paragraph_id': 1, 'start_character': 372, 'end_paragraph_id': 1, 'end_character': 392, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '41668588', 'title': 'Doctor Strange (2016 film)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 653, 'bleu_score': 0.85084015027738, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13173479409966661835}, 'section': 'Section::::Abstract.'}]}]