Question: who declared uganda a british protectorate in 1894
[{'answer': 'Sir Gerald Herbert Portal', 'provenance': [{'wikipedia_id': '21994823', 'title': 'Gerald Portal', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 25, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21994823', 'title': 'Gerald Portal', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 243, 'bleu_score': 0.869296000773157, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2182774835306709499}, 'section': 'Section::::Abstract.'}]}]