Question: which house of congress is the house of representatives
[{'answer': 'the lower chamber'}, {'provenance': [{'wikipedia_id': '19468510', 'title': 'United States House of Representatives', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 194, 'bleu_score': 0.624506479160676, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5150668019389779624}, 'section': 'Section::::Abstract.'}]}]