Question: The Volkswagen T-Roc is a concept car that debuted at the Geneva Auto Show, in which year, the T-Roc is smaller than the Tiguan, and far more advanced than the Tiguan, a compact crossover vehicle (CUV) manufactured by German automaker Volkswagen? 
Sentence (from "SEAT Ateca"): <nowiki> </nowiki>The Ateca debuted as a concept vehicle, the SEAT IBX at the 2011 Geneva Motor Show followed by the SEAT "20v20 Concept" in the 2015 Geneva Motor Show.
Relevant evidence: No