Question: who is the presiding officer of the house of reps
[{'answer': 'Paul Ryan', 'provenance': [{'wikipedia_id': '46023', 'title': 'Speaker of the United States House of Representatives', 'start_paragraph_id': 19, 'start_character': 617, 'end_paragraph_id': 19, 'end_character': 626, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]