Question: What two countries were represented by former Werder Premen member Mladen Krstajić at FIFA 2006?
Sentence (from "2003–04 SV Werder Bremen season"): However, Werder lost both Aílton and defensive senior talisman Mladen Krstajić to Schalke 04, since both refused to sign new contracts with the club.
Relevant evidence: Yes