Question: who are the house of representatives elected by
[{'answer': 'single - member districts', 'provenance': [{'wikipedia_id': '19468510', 'title': 'United States House of Representatives', 'start_paragraph_id': 28, 'start_character': 183, 'end_paragraph_id': 28, 'end_character': 207, 'bleu_score': 1.0, 'section': 'Section::::Membership, qualifications and apportionment.:Elections.\n'}]}, {'provenance': [{'wikipedia_id': '19468510', 'title': 'United States House of Representatives', 'start_paragraph_id': 28, 'start_character': 0, 'end_paragraph_id': 28, 'end_character': 450, 'bleu_score': 0.9748377259086851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16088854321310830350}, 'section': 'Section::::Membership, qualifications and apportionment.:Elections.\n'}]}]