Question: In which year were the Back to the Future rides at both Universal Studios theme parks replaced?

<P0-S0> "The Simpsons" Ride is a simulator ride featured at the Universal Studios Florida and Universal Studios Hollywood theme parks. <P0-S1>  The ride is based on the animated television series "The Simpsons". <P0-S2>  It was first announced in 2007 and replaced the "" at both locations. <P0-S3>  The ride at Universal Studios Florida soft opened on April 23, 2008, and the official ceremonies took place on May 15. <P0-S4>  The ride at Universal Studios Hollywood opened on May 19, 2008. <P0-S5>  "The Simpsons" Ride was collaborated on by the producers of "The Simpsons", and uses CGI animation, which was provided by Blur Studio and Reel FX. <P0-S6>  2D animation was provided by Film Roman. <P0-S7>  The ride uses state of the art technology, including a new projection system and new hydraulics. <SEP> <P1-S0> Flight of the Hippogriff is a junior roller coaster in The Wizarding World of Harry Potter section at three theme parks – Universal Studios Japan, Universal Studios Hollywood, and Islands of Adventure of Universal Studios Florida. <P1-S1>  Designed by Universal Creative, the first installation opened at Islands of Adventure on June 18, 2010. <P1-S2>  The new ride was a redesign of an existing roller coaster known as Flying Unicorn, which the park closed in 2008 to begin its transformation. <P1-S3>  The design change was implemented to fit the new "Harry Potter" themed area that was being constructed at the park. <P1-S4>  Flight of the Hippogriff is a mild alternative to the area's more extreme rides such as Dragon Challenge and Harry Potter and the Forbidden Journey. <P1-S5>  Following a successful launch, identical versions of the roller coaster were installed at Universal Studios Japan and Universal Studios Hollywood over the next several years. <SEP> <P2-S0> Back to the Future: The Ride was a simulator ride at Universal Studios theme parks. <P2-S1>  It was based on and inspired by the "Back to the Future" film series and is a mini-sequel to 1990's "Back to the Future Part III". <P2-S2>  It was previously located at Universal Studios Florida and Universal Studios Hollywood, where it has since been replaced by "The Simpsons Ride", and at Universal Studios Japan where it has since been replaced by "". <SEP> <P3-S0> The Universal Orlando Resort is a theme park resort located in Orlando, Florida. <P3-S1>  It features two theme parks, Universal Studios Florida and Islands of Adventure, built on 107 acre and 101 acre of land, respectively. <P3-S2>  Both parks feature several attractions and shows based on movies produced by Universal Studios. <P3-S3>  After several delays during construction, Universal Studios Florida opened to the public on June 7, 1990; however, several of the parks major attractions experienced frequent mechanical and technical problems, forcing the rides to close. <P3-S4>  Eventually, Universal filed a lawsuit against the manufacturer of Jaws, an attraction that was based on the film. <P3-S5>  Three years later, Universal announced the construction of a second theme park, Islands of Adventure, that officially opened on May 28, 1999.