Question: who is the commissioner of bir in the philippines
[{'answer': 'Cesar Dulay'}, {'provenance': [{'wikipedia_id': '12134327', 'title': 'Bureau of Internal Revenue (Philippines)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 199, 'bleu_score': 0.7167695334384271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 187293279722249763}, 'section': 'Section::::Abstract.'}]}]