Question: who plays billy in buffy the vampire slayer
[{'answer': 'Jeremy Foley', 'provenance': [{'wikipedia_id': '12707889', 'title': 'Jeremy Foley (actor)', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '12707889', 'title': 'Jeremy Foley (actor)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 284, 'bleu_score': 0.958740481558872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15029900875569168864}, 'section': 'Section::::Abstract.'}]}]