Question: who was president of the usa in 1992
[{'answer': 'George H.W. Bush', 'provenance': [{'wikipedia_id': '39529', 'title': '1992 United States presidential election', 'start_paragraph_id': 17, 'start_character': 97, 'end_paragraph_id': 17, 'end_character': 113, 'bleu_score': 1.0, 'section': 'Section::::Nominations.:Democratic Party nomination.:Overview.\n'}]}, {'provenance': [{'wikipedia_id': '39529', 'title': '1992 United States presidential election', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 316, 'bleu_score': 0.812841878510913, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18238177668571368873}, 'section': 'Section::::Abstract.'}]}]