Question: Who wrote the slasher film, released in 1997, that starred Jennifer Love Hewitt? 
Context: Jennifer Love Hewitt (born February 21, 1979) is an American actress, television producer and director, singer/songwriter and author.  Hewitt began her acting career as a child by appearing in television commercials and the Disney Channel series "Kids Incorporated".  She rose to fame for her role as Sarah Reeves Merrin on the Fox teen drama "Party of Five" (1995–99).  She later starred in the horror film "I Know What You Did Last Summer" (1997) and its 1998 sequel. "How Do I Deal" is a song by Jennifer Love Hewitt from the soundtrack to the film "I Still Know What You Did Last Summer" and was released as a single in January 1999 with an accompanying music video.  The single has become Hewitt's one and only appearance on the "Billboard" Hot 100 U.S. singles chart, peaking at number 59 in a seven-week run.  Although not a huge success in America, the single reached number 5 in New Zealand, and peaked at number 8 in Australia, earning Hewitt a pop star title there. Café is a 2010 independent drama film directed by Marc Erlbaum.  It stars Jennifer Love Hewitt, Daniel Eric Gold, Alexa Vega and Jamie Kennedy, who was Hewitt's boyfriend at the time of filming. The Client List is a 2010 television film that premiered on the Lifetime Network on July 19, 2010.  It starred Jennifer Love Hewitt and was directed by Eric Laneuville.  A fictionalized dramatization of a 2004 prostitution scandal in Odessa, Texas, the film follows Sam Horton, a mother of three who becomes a prostitute to meet her financial obligations. Garfield: The Movie is a 2004 American family comedy film directed by Peter Hewitt inspired by Jim Davis' comic strip of the same name.  It stars Breckin Meyer as Jon Arbuckle, Jennifer Love Hewitt as Dr. Liz Wilson, and features Bill Murray as the voice of Garfield.  Garfield was created with computer animation, though all other animals were real.  The film was produced by Davis Entertainment Company and distributed by 20th Century Fox.  The film shares several similarities to the 1982 animated special "Here Comes Garfield".  "Garfield: The Movie" was released in the United States on June 11, 2004.  Despite having negative reviews from critics, the film was a box office success, grossing $200 million on a $50 million budget.  A sequel, "", was released in June 2006. I Know What You Did Last Summer is a 1997 American slasher film written by Kevin Williamson and directed by Jim Gillespie.  The film is loosely based on the 1973 novel of the same name by Lois Duncan.  The film also draws inspiration from the urban legend known as The Hook. I Still Know What You Did Last Summer is a 1998 American slasher film and a sequel to the 1997 film "I Know What You Did Last Summer".  Directed by Danny Cannon, the film was written by Trey Callaway, and features characters originally created in Lois Duncan's 1973 novel "I Know What You Did Last Summer".  Jennifer Love Hewitt, Freddie Prinze, Jr. and Muse Watson reprise their roles, with Brandy, Mekhi Phifer, Jennifer Esposito, and Matthew Settle joining the cast.  "I Still Know What You Did Last Summer" continues after the events of the first film. "Graduate" is a song by American alternative rock group Third Eye Blind.  It was released in August 1997 as the second single from their 1997 self-titled debut album.  It was written by Stephan Jenkins and Kevin Cadogan.  The B-side, "Horror Show", was later released on the "How's It Going to Be" single in 1998.  It reached number 26 on the Hot Mainstream Rock Tracks chart in the U.S, and number 14 on the Hot Modern Rock Tracks chart.  Additionally, it was featured in the 1998 film "Can't Hardly Wait" starring Seth Green and Jennifer Love Hewitt. Jennifer Love Hewitt is the self-titled third studio album by actress and recording artist Jennifer Love Hewitt.  It was released on September 3, 1996 by Atlantic Records. The Day I Shot Cupid: Hello, My Name Is Jennifer Love Hewitt and I'm a Love-aholic (commonly abbreviated to "The Day I Shot Cupid") is a bestselling dating-advice book written by Jennifer Love Hewitt.  The book tells of Hewitt's personal dating experiences and gives advice to both men and women on dating life and what to look for in a member of the opposite sex.
Answer: Kevin Williamson