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 "Robin Dutt"): Starting from the 2011–12 season, he signed a two-year managerial contract with Bayer Leverkusen after the previous manager Jupp Heynckes confirmed on 21 March 2011 that he would not be extending his stay at the BayArena.
Relevant evidence: Yes