Question: where was first planet of the apes filmed
[{'answer': 'Grand Canyon', 'provenance': [{'wikipedia_id': '18618306', 'title': 'Planet of the Apes (1968 film)', 'start_paragraph_id': 37, 'start_character': 150, 'end_paragraph_id': 37, 'end_character': 162, 'bleu_score': 1.0, 'section': 'Section::::Production.:Filming.\n'}]}, {'answer': 'Colorado River', 'provenance': [{'wikipedia_id': '18618306', 'title': 'Planet of the Apes (1968 film)', 'start_paragraph_id': 37, 'start_character': 168, 'end_paragraph_id': 37, 'end_character': 182, 'bleu_score': 1.0, 'section': 'Section::::Production.:Filming.\n'}]}, {'answer': 'Lake Powell', 'provenance': [{'wikipedia_id': '18618306', 'title': 'Planet of the Apes (1968 film)', 'start_paragraph_id': 3, 'start_character': 565, 'end_paragraph_id': 3, 'end_character': 576, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Glen Canyon', 'provenance': [{'wikipedia_id': '18618306', 'title': 'Planet of the Apes (1968 film)', 'start_paragraph_id': 3, 'start_character': 578, 'end_paragraph_id': 3, 'end_character': 589, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Page , Arizona', 'provenance': [{'wikipedia_id': '18618306', 'title': 'Planet of the Apes (1968 film)', 'start_paragraph_id': 37, 'start_character': 234, 'end_paragraph_id': 37, 'end_character': 252, 'bleu_score': 1.0, 'section': 'Section::::Production.:Filming.\n'}]}, {'answer': 'the Fox Ranch in Malibu Creek State Park , northwest of Los Angeles'}, {'provenance': [{'wikipedia_id': '18618306', 'title': 'Planet of the Apes (1968 film)', 'start_paragraph_id': 37, 'start_character': 17, 'end_paragraph_id': 37, 'end_character': 1579, 'bleu_score': 0.828269273688468, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1352632982691034948}, 'section': 'Section::::Production.:Filming.\n'}]}]