Question: who has the power to nominate ambassadors to other countries
[{'answer': 'the President', 'provenance': [{'wikipedia_id': '153068', 'title': 'Ambassadors of the United States', 'start_paragraph_id': 1, 'start_character': 73, 'end_paragraph_id': 1, 'end_character': 86, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '153068', 'title': 'Ambassadors of the United States', 'start_paragraph_id': 1, 'start_character': 198, 'end_paragraph_id': 1, 'end_character': 552, 'bleu_score': 0.803251390331552, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10586350716294807544}, 'section': 'Section::::Abstract.'}]}]