Task: Explanation
Input (English): The Hills Have Thighs is a 2010 American made for cable erotic film written and directed by Jim Wynorski under the pseudonym Salvadore Ross. It is based on the 1977 horror feature "The Hills Have Eyes" written and directed by Wes Craven. Question: The Hills Have Thighs was based on the movie The HIlls Have Eyes that was released on what date?  Answer: 22 July 1977
Output (English):  It is based on the 1977 horror feature The Hills Have Eyes written and directed by Wes Craven.