Question: who is the head of a sub county in kenya
[{'answer': 'a sub-county administrator', 'provenance': [{'wikipedia_id': '38235883', 'title': 'Sub-Counties of Kenya', 'start_paragraph_id': 1, 'start_character': 308, 'end_paragraph_id': 1, 'end_character': 334, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '38235883', 'title': 'Sub-Counties of Kenya', 'start_paragraph_id': 1, 'start_character': 13, 'end_paragraph_id': 1, 'end_character': 378, 'bleu_score': 0.8069477986216891, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10981441746341478467}, 'section': 'Section::::Abstract.'}]}]