Question: when was the first deaf president of gallaudet university
[{'answer': 'March 13 , 1988', 'provenance': [{'wikipedia_id': '1533650', 'title': 'Deaf President Now', 'start_paragraph_id': 25, 'start_character': 19, 'end_paragraph_id': 25, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Protest.:Friday, March 11, 1988.\n'}]}, {'provenance': [{'wikipedia_id': '1533650', 'title': 'Deaf President Now', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 375, 'bleu_score': 0.9663744727315161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12285594425842038598}, 'section': 'Section::::Abstract.'}]}]