Question: who pilots the black lion in voltron force
[{'answer': 'Keith', 'provenance': [{'wikipedia_id': '19598782', 'title': 'List of Voltron characters', 'start_paragraph_id': 40, 'start_character': 495, 'end_paragraph_id': 40, 'end_character': 500, 'bleu_score': 1.0, 'section': 'Section::::"Voltron: Defender of the Universe".:Mecha.:Lion Voltron (Golion).\n'}]}, {'provenance': [{'wikipedia_id': '19598782', 'title': 'List of Voltron characters', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 1164, 'bleu_score': 0.9651621646743391, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 661101259753707651}, 'section': 'Section::::"Voltron: Defender of the Universe".:Lion Force Voltron ("Golion Team").\n'}]}]