Question: who played chaka on the land of the lost
[{'answer': 'Phillip Paley', 'provenance': [{'wikipedia_id': '170342', 'title': 'Land of the Lost (1974 TV series)', 'start_paragraph_id': 29, 'start_character': 21, 'end_paragraph_id': 29, 'end_character': 34, 'bleu_score': 1.0, 'section': 'Section::::Cast.:Main.\n'}]}, {'provenance': [{'wikipedia_id': '170342', 'title': 'Land of the Lost (1974 TV series)', 'start_paragraph_id': 29, 'start_character': 0, 'end_paragraph_id': 29, 'end_character': 68, 'bleu_score': 0.8070557274927981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11940702448791735515}, 'section': 'Section::::Cast.:Main.\n'}]}]