Question: what is darry's last name in the outsiders
[{'answer': 'Curtis', 'provenance': [{'wikipedia_id': '562456', 'title': 'The Outsiders (novel)', 'start_paragraph_id': 1, 'start_character': 521, 'end_paragraph_id': 1, 'end_character': 527, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '562456', 'title': 'The Outsiders (novel)', 'start_paragraph_id': 16, 'start_character': 0, 'end_paragraph_id': 16, 'end_character': 193, 'bleu_score': 0.9402297675816911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6374119937572359131}, 'section': 'Section::::Major characters.:Greasers.\n'}]}]