Question: Ralf Zumdick pioneered the practice of the penalty-taking-goalkeeper when he scored against a German former football goalkeeper who was in the German squad that won the 1990 what?
Sentence (from "Ralf Zumdick"): Zumdick is often cited as the player who pioneered the practice of the penalty-taking-goalkeeper when he scored against Andreas Köpke in 1988.
Relevant evidence: Yes