Question: what is the term of office of a representative
[{'answer': 'four - year', 'provenance': [{'wikipedia_id': '19468510', 'title': 'United States House of Representatives', 'start_paragraph_id': 20, 'start_character': 362, 'end_paragraph_id': 20, 'end_character': 376, 'bleu_score': 1.0, 'section': 'Section::::Membership, qualifications and apportionment.:Apportionments.\n'}]}, {'provenance': [{'wikipedia_id': '19468510', 'title': 'United States House of Representatives', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 671, 'bleu_score': 0.9579655027162681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13752123574143765954}, 'section': 'Section::::Membership, qualifications and apportionment.:Apportionments.\n'}]}]