Question: who plays the demon in once more with feeling
[{'answer': 'Hinton Battle', 'provenance': [{'wikipedia_id': '251815', 'title': 'Once More, with Feeling (Buffy the Vampire Slayer)', 'start_paragraph_id': 12, 'start_character': 370, 'end_paragraph_id': 12, 'end_character': 383, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '251815', 'title': 'Once More, with Feeling (Buffy the Vampire Slayer)', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 771, 'bleu_score': 0.9858648355536391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2113534074920426273}, 'section': 'Section::::Plot.\n'}]}]