Question: who plays dr bailey on grey's anatomy
[{'answer': 'Chandra Danette Wilson', 'provenance': [{'wikipedia_id': '3467041', 'title': 'Chandra Wilson', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3467041', 'title': 'Chandra Wilson', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 529, 'bleu_score': 0.8444117413858471, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5936025270404422347}, 'section': 'Section::::Abstract.'}]}]