Question: Mill Race was a log flume ride that operated between 1963 and 1993 at the Cedar Point amusement park in Sandusky, Ohio,Mill Race was ultimately removed from the park in 1993 to prepare for the opening of Raptor, in which year?

full_context: Document 1: Blue Streak (Cedar Point): Blue Streak is a wooden roller coaster located at Cedar Point in Sandusky, Ohio. Built by Philadelphia Toboggan Company, Blue Streak opened to the public on May 23, 1964, and is the park's oldest roller coaster. In 2013, it achieved its highest ranking of 27 among the world's top wooden roller coasters in the annual Golden Ticket Awards publication by "Amusement Today".
Document 2: Batman: The Ride: Batman: The Ride is a steel inverted roller coaster based thematically on the 1989 film Batman and found at seven Six Flags theme parks in the United States. Built by consulting engineers Bolliger & Mabillard, it rises to a height of between 100 and and reaches top speeds of 50 mph . The original roller coaster at Six Flags Great America was partially devised by the park's general manager Jim Wintrode. Batman: The Ride was the world's first inverted roller coaster when it opened in 1992, and has since been awarded Coaster Landmark status by the American Coaster Enthusiasts. Clones of the ride exist at amusement parks around the world.
Document 3: Millennium Force: Millennium Force is a steel roller coaster built by Intamin at Cedar Point amusement park in Sandusky, Ohio, United States. It was the fourteenth roller coaster to be built at the park since Blue Streak opened in 1964. Upon completion in 2000, Millennium Force broke six world records and was the world's first Giga Coaster, a roller coaster that exceeds 300 ft in height and completes a full circuit. It was briefly the tallest and fastest in the world until Steel Dragon 2000 opened later the same year. The ride is also the third-longest roller coaster in North America after The Beast at Kings Island and Fury 325 at Carowinds. It was the first roller coaster to use a cable lift system rather than a traditional chain lift. The coaster has a 310 ft , 45-degree lift hill with a 300 ft drop and features two tunnels, three overbanked turns, and four hills. It has a top speed of 93 mph .
Document 4: Mill Race (log flume): Mill Race was a log flume ride that operated between 1963 and 1993 at the Cedar Point amusement park in Sandusky, Ohio. When it opened in 1963, Mill Race was only the second such log flume ride to ever operate in the world (the first being El Aserradero [The Sawmill] at Six Flags Over Texas, which had opened earlier that same year). Mill Race was ultimately removed from the park in 1993 to prepare for the opening of Raptor in 1994.
Document 5: Raptor (Cedar Point): Raptor is a steel inverted roller coaster designed by Bolliger & Mabillard at Cedar Point in Sandusky, Ohio, United States. When built in 1994, it broke many records and held many firsts when it opened. Instead of having a short layout designed to fit into a compact area like , Raptor was designed with a larger, 3,790-foot (1,160 m) layout, making it the tallest, fastest and longest inverted roller coaster in the world when it opened. It features six inversions, including a cobra roll, a first for inverted roller coasters. At its opening, it was the largest investment in Cedar Point history. The ride is themed as a bird of prey.
Document 6: Diamondback (roller coaster): Diamondback is a steel roller coaster designed by Bolliger & Mabillard at Kings Island in Mason, Ohio, United States. The ride is located in Rivertown just behind International Street and the Eiffel Tower. When built in 2009, it was the first hypercoaster to feature a splashdown and the first Bolliger & Mabillard roller coaster at Kings Island. Diamondback was previously the biggest investment in Kings Island’s history at $22 million (ahead of The Crypt and Son of Beast, each of which cost $20 million) until surpassed in 2014 by Banshee, an investment of $24 million. The coaster has a 230 ft lift hill with a 215 ft-drop, featuring 10 total drops and a top speed of about 80 mi/h . It is similar to Behemoth at Canada's Wonderland in statistics, layout, and seating.
Document 7: Jet Stream (Six Flags Magic Mountain): Jet Stream is a log flume ride that opened in 1972 at Six Flags Magic Mountain in Santa Clarita, California. Jet Stream was made by Arrow Dynamics, the same company that built Log Jammer and Gold Rusher, the park's first coaster, and was built because management thought that another flume ride would attract more visitors. Jet Stream is placed on the backside of the hill that the park is on, opposite of Log Jammer, to ensure that guests could reach a log flume wherever they were to cool down.
Document 8: Log Jammer (Kennywood): Log Jammer was a log flume ride at Kennywood amusement park in West Mifflin, Pennsylvania, United States. It opened on May 11, 1975, and was manufactured by Arrow Development. The ride was distinctive because of its spillway drop. Although featured on several Arrow flumes, all were eventually removed, with the exception of Log Jammer, making this the last remaining ride with that element. It was one of three water rides at Kennywood, the other two being Pittsburg Plunge and Raging Rapids. The ride permanently closed at the end of the 2017 summer season on September 17, 2017.
Document 9: Valravn (roller coaster): Valravn is a steel roller coaster at Cedar Point amusement park in Sandusky, Ohio. Built and designed by Bolliger & Mabillard (B&M), it opened on May 7, 2016, as the tallest, fastest, and longest dive coaster in the world. Valravn is also the third Dive Coaster model, characterized by its use of wide trains, to open in the United States and the first to use over-the-shoulder "vest" style restraints. The installation also marks the 100th roller coaster designed by B&M since their founding in 1988.
Document 10: Maverick (roller coaster): Maverick is a steel roller coaster built by Intamin at Cedar Point in Sandusky, Ohio, United States. It was the seventeenth roller coaster built at the park since Blue Streak in 1964. It is notable as being the 500th roller coaster designed by German engineer Werner Stengel and the first roller coaster featuring a Twisted Horseshoe Roll. Maverick's US$21-million price tag makes it Cedar Point's fourth most expensive roller coaster, behind Millennium Force, Top Thrill Dragster, and GateKeeper. The 4450 ft course makes it the fourth longest roller coaster at Cedar Point.
Document 11: Old Mill (ride): An old mill is a type of amusement park ride with unaccompanied boats floated on guideways through dark tunnels. These themed dark rides originated in the late 19th century and are known by a variety of names, including tunnel of love and river cave. While generally considered a gentle ride, a variation that ends with a climactic splashdown, similar to the modern-day log flume, is known as a mill chute.
Document 12: Shoot the Rapids: Shoot the Rapids was a log flume water ride located at Cedar Point in Sandusky, Ohio. The ride was built and designed by IntaRide (a subsidiary of Intamin) and opened to the public on June 26, 2010. Based on a western theme, Shoot the Rapids featured two drops with the second one crossing under the first. In February 2016, reports surfaced that the ride would be permanently dismantled. On February 20, 2016, Cedar Point officially announced the ride's permanent closure.
Document 13: Wing Coaster: A Wing Coaster is a type of steel roller coaster manufactured by Bolliger & Mabillard where pairs of riders sit on either side of a roller coaster track in which nothing is above or below the riders. Development of the Wing Coaster began between 2007 and 2008 leading to the opening of Raptor at Gardaland, the world's first Wing Coaster, on 1 April 2011. There are currently eight Wing Coasters operating worldwide.
Document 14: Cedar Creek Mine Ride: Cedar Creek Mine Ride is a mine train roller coaster at Cedar Point amusement park in Sandusky, Ohio. Built by Arrow Dynamics, the roller coaster opened in 1969 in the Frontiertown section of the park. It is the second oldest roller coaster at Cedar Point behind Blue Streak. Cedar Creek Mine Ride is one of two roller coasters at Cedar Point to utilize two separate lift hills – the other is Iron Dragon. s of 2006 , it has accommodated over 62 million riders.
Document 15: White Water Landing (Cedar Point): White Water Landing was a log flume water ride at Cedar Point amusement park in Sandusky, Ohio. It was located in the Frontier Town section of the park adjacent to the Cedar Point & Lake Erie Railroad near Mean Streak. It was demolished in 2005 and replaced by Maverick.
ground_truth: 1994