Question: Roman Grill's clients include a pundit for BT Sport who won how many German league titles with Munich?
Sentence (from "Owen Hargreaves"): After seven years with the Munich side – during which time he won four German league titles and the 2000–01 UEFA Champions League – Hargreaves signed for Manchester United in 2007, winning the Premier League and UEFA Champions League in his first season.
Relevant evidence: Yes