Question: who fills the top 3 leadership positions in the house of representatives
[{'answer': 'Paul Ryan ('}, {'answer': 'Kevin McCarthy'}, {'answer': 'Nancy Pelosi', 'provenance': [{'wikipedia_id': '19468510', 'title': 'United States House of Representatives', 'start_paragraph_id': 15, 'start_character': 763, 'end_paragraph_id': 15, 'end_character': 775, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]