Question: what did king john do to kenilworth castle
[{'answer': 'rebuilding and enhancing', 'provenance': [{'wikipedia_id': '17076', 'title': 'Kenilworth Castle', 'start_paragraph_id': 27, 'start_character': 210, 'end_paragraph_id': 27, 'end_character': 234, 'bleu_score': 1.0, 'section': 'Section::::History.:13th century.\n'}]}, {'provenance': [{'wikipedia_id': '17076', 'title': 'Kenilworth Castle', 'start_paragraph_id': 27, 'start_character': 0, 'end_paragraph_id': 27, 'end_character': 979, 'bleu_score': 0.987691721403756, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5334614843657494847}, 'section': 'Section::::History.:13th century.\n'}]}]