Question: who was the former un secretary general and later became the president of his country
[{'answer': 'Kurt Josef Waldheim', 'provenance': [{'wikipedia_id': '17103', 'title': 'Kurt Waldheim', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '17103', 'title': 'Kurt Waldheim', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 471, 'bleu_score': 0.785354462052204, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2218463939837872246}, 'section': 'Section::::Abstract.'}]}]