Question: who appeared at his party's 1932 nominating convention to give an acceptance speech
[{'answer': 'Roosevelt', 'provenance': [{'wikipedia_id': '9027791', 'title': '1932 Democratic National Convention', 'start_paragraph_id': 1, 'start_character': 160, 'end_paragraph_id': 1, 'end_character': 169, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9027791', 'title': '1932 Democratic National Convention', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 209, 'bleu_score': 0.9402297675816911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9211106346491897208}, 'section': "Section::::Convention.:Roosevelt's acceptance speech.\n"}]}]