Question: who played dracula on buffy the vampire slayer
[{'answer': 'Rudolf Martin', 'provenance': [{'wikipedia_id': '3798044', 'title': 'Rudolf Martin', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3798044', 'title': 'Rudolf Martin', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 332, 'bleu_score': 0.965203995518735, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15290511103009600765}, 'section': 'Section::::Abstract.'}]}]