Question: What  large family car produced by by the German automaker Volkswagen, is the middle of two other cars one being  small family car marketed worldwide across seven generations, in various body configurations and under various nameplates ?
Sentence (from "Opel Ascona"): It was produced in three separate generations from 1970 to 1988, beginning with rear-wheel-drive and ending up as a front-wheel drive J-car derivative.
Relevant evidence: No