Assertion: park's roller coaster | /r/HasProperty | the steel curtain
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Source sentences:
text: The property features three old wooden roller coasters still in working order, along with three newer steel coasters, the Phantom's Revenge (2001) and the Sky Rocket (2010), The Steel Curtain (2019), and one indoor coaster, the Exterminator (1999).
text: Steelers Country is themed around the Pittsburgh Steelers and includes a new roller coaster called Steel Curtain, which has the tallest inversion in the world and the most inversions in the United States.