Question: who does the president nominate to represent the us in other countries
[{'answer': 'Foreign Service Officer', 'provenance': [{'wikipedia_id': '153068', 'title': 'Ambassadors of the United States', 'start_paragraph_id': 2, 'start_character': 30, 'end_paragraph_id': 2, 'end_character': 53, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'political appointee', 'provenance': [{'wikipedia_id': '153068', 'title': 'Ambassadors of the United States', 'start_paragraph_id': 2, 'start_character': 82, 'end_paragraph_id': 2, 'end_character': 101, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '153068', 'title': 'Ambassadors of the United States', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 439, 'bleu_score': 0.968982777549629, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13628250648342000841}, 'section': 'Section::::Abstract.'}]}]