Instructions: In this task, you're given a passage, further information available on a particular linked term from the statement, and an answer term. Your job is to generate a question that can use the information provided to obtain the given answer. You should use the information on both passage and link information to create the question. Note that the answer to the question should be exactly the given answer, and if the answer is none, the answer to the question shouldn't be obtainable from the passage or linked information.
Input: Passage: A successful fashion model from her twenties, appearing on the front covers of Life and Glamour magazines among others, Hedren became an actress after she was discovered by director Alfred Hitchcock while appearing on a television commercial in 1961. She received world recognition for her work in two of his films, the suspense-thriller The Birds in 1963, for which she won a Golden Globe, and the psychological drama Marnie in 1964. Hedren has appeared in over eighty films and TV shows including Charlie Chaplin's final film, A Countess from Hong Kong (1967), the Alexander Payne political satire Citizen Ruth (1996), and the David O. Russell existential comedy I Heart Huckabees (2004). Her contributions to world cinema have been honored with the Jules Verne Award and a star on the Hollywood Walk of Fame among others.
 Link Information: Hedren became an actress after she was discovered by director Alfred Hitchcock  Answer: Joseph 
Output:
What is the middle name of the director who discovered her as an actress?