Question: who played empress katia on drop dead diva
[{'answer': 'Tobin', 'provenance': [{'wikipedia_id': '37014372', 'title': 'Becca Tobin', 'start_paragraph_id': 0, 'start_character': 6, 'end_paragraph_id': 0, 'end_character': 11, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '37014372', 'title': 'Becca Tobin', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 522, 'bleu_score': 0.899857788642431, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2273822485824788032}, 'section': 'Section::::Career.\n'}]}]