Question: What person was manager for Bayer Leverkusen immediately before the man who is the third-highest goalscorer in the history of Bundesliga?
Sentence (from "RTHC Bayer Leverkusen"): Ruder Tennis Hockey Club Bayer Leverkusen (RTHC Bayer Leverkusen e.V.) is a German rowing, field hockey and tennis club, one of the projects supported by Bayer 04 Leverkusen and Bayer AG and with 2500 members, it is additionally one of the largest sports clubs in Leverkusen.
Relevant evidence: No