Question: What is the top speed of the faster roller coaster, when comparing Green Lantern and The Riddler's Revenge?
Sentence (from "Leviathan (roller coaster)"): s of 2015 , Leviathan is ranked as the eighth-tallest, and the eighth-fastest roller coaster in the world, and the third-tallest traditional lift-style coaster in the world.
Relevant evidence: No