Question: when did dr. seuss win the pulitzer prize
[{'answer': '1984', 'provenance': [{'wikipedia_id': '8855', 'title': 'Dr. Seuss', 'start_paragraph_id': 26, 'start_character': 263, 'end_paragraph_id': 26, 'end_character': 267, 'bleu_score': 1.0, 'section': 'Section::::Life and career.:Later years.\n'}]}, {'provenance': [{'wikipedia_id': '8855', 'title': 'Dr. Seuss', 'start_paragraph_id': 26, 'start_character': 0, 'end_paragraph_id': 26, 'end_character': 390, 'bleu_score': 0.9679895851501501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9974056328302594344}, 'section': 'Section::::Life and career.:Later years.\n'}]}]