Question: who signed the 1900 buganda agreement on behalf of buganda
[{'answer': 'Katikiro Sir Apolo Kagwa', 'provenance': [{'wikipedia_id': '24598516', 'title': 'Buganda Agreement (1900)', 'start_paragraph_id': 3, 'start_character': 104, 'end_paragraph_id': 3, 'end_character': 128, 'bleu_score': 1.0, 'section': 'Section::::Agreement.\n'}]}, {'provenance': [{'wikipedia_id': '24598516', 'title': 'Buganda Agreement (1900)', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 274, 'bleu_score': 0.958740481558872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6690906112426987137}, 'section': 'Section::::Agreement.\n'}]}]