Question: who has the sole power of impeachment constitution
[{'answer': 'The House of Representatives', 'provenance': [{'wikipedia_id': '1795376', 'title': 'Impeachment in the United States', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 28, 'bleu_score': 1.0, 'section': 'Section::::Federal impeachment.:Constitutional provisions.\n'}]}]