Question: The pornahraphic film based on the unidentified killer of four men and three women, in the Bay Area in the 1960's and 1970's was released in what year?
{'answer': '1971', 'supporting_facts': [['Zodiac Rapist', 0], ['Zodiac Rapist', 1], ['Zodiac Killer', 0], ['Zodiac Killer', 1], ['Zodiac Killer', 2]]}