<Tr> <Td> MTV Movie Awards </Td> <Td> Best Breakthrough Performance </Td> <Td> Sarah Michelle Gellar </Td> </Tr> <Tr> <Td> Young Artist Award </Td> <Td> Best Performance in a Feature Film--Leading Young Actress </Td> <Td> Jennifer Love Hewitt </Td> </Tr> <P> The film produced two soundtracks . One of them featured the score composed by John Debney, while the other contained various rock songs found in the film . </P> <Table> <Tr> <Th_colspan="2"> I Know What You Did Last Summer (Original Motion Picture Score) </Th> </Tr> <Tr> <Th_colspan="2"> Film score (Digital download) / Audio CD by John Debney </Th> </Tr> <Tr> <Th> Released </Th> <Td> October 7, 1997 </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Film score </Td> </Tr> <Tr> <Th> Length </Th> <Td> 50: 44 </Td> </Tr> <Tr> <Th> Label </Th> <Td> Super Tracks Music Group </Td> </Tr> </Table>

Who is the killer in the movie i know what you did last summer