Question: Roman Grill's clients include a pundit for BT Sport who won how many German league titles with Munich?

Context paragraphs:
BT Sport Action Woman Awards: The BT Sport Action Woman Awards are a series of monthly and yearly awards presented by BT Sport to the sportswoman or female sportsteam, usually British, who has been adjudged to have been the best of that month or year.  The public vote for the winner from a list of nominations picked by BT Sport.

Ian Wright: Ian Edward Wright, MBE (born 3 November 1963) is an English former professional footballer turned television and radio personality.  He is currently a studio pundit for BBC Sport and ITV Sport and previously worked as a studio pundit for BT Sport.

Paul Dempsey (presenter): Paul Andrew Francis Dempsey (born 16 March 1960) is an internationally acclaimed British TV and radio sports presenter and commentator now chiefly employed by BT Sport where he covers football and boxing.  After 18 years working for Sky Sports and 7 with the Dublin-based channels of Setanta Sports, on 23 May 2013 the Daily Mail reported that Dempsey had been signed by BT Sport prior to their UK launch.

Paul Scholes: Paul Scholes ( ; born 16 November 1974) is an English retired footballer who played his entire professional career for Manchester United.  He is currently co-owner of Salford City and a television pundit for BT Sport.  He is the most decorated English footballer of all time, and one of the most successful footballers in history, having won a total of 25 trophies, featuring 11 Premier League titles and two Champions League titles.

Roman Grill: Roman Grill (born March 1, 1966) is a German former footballer who is now a player agent.  A defender, Grill spent eleven years playing for Bayern Munich's reserve team, and made one first-team appearance, replacing Thomas Helmer in a UEFA Cup match against Benfica in December 1995.  Bayern went on to win the competition that season.  After retiring, Grill worked as a coach with Bayern's youth team, before starting his own player agency in 2006.  His clients include Owen Hargreaves, Philipp Lahm and Piotr Trochowski.

2017–18 English Premiership (rugby union): The 2017–18 English Premiership is the 31st season of the top flight of English domestic rugby union competition and the eighth to be sponsored by Aviva.  The competition is being broadcast by BT Sport for the fifth successive season with five games also simulcast free-to-air on Channel 5 for the first time.  Highlights of each weekend's games are shown on Channel 5 with extended highlights on BT Sport.

BT Sport: BT Sport is a group of sports television channels provided by BT Consumer; a division of BT Group in the United Kingdom and Ireland that was launched on 1 August 2013.  The channels are based at the former International Broadcast Centre at the Queen Elizabeth Olympic Park in London.  BT Sport is available on the BT TV, Sky and Virgin Media television platforms in the UK.

BT Sport Score: BT Sport Score is a weekly television programme broadcast on BT Sport during the football season.  The programme updates viewers on the progress of football games in the United Kingdom on Saturday afternoons between 12:00pm and 5pm.

BT Sport ESPN: BT Sport ESPN is a sports television channel provided by BT Consumer; a division of BT Group in the United Kingdom and Ireland, under licence from American sports broadcaster ESPN Inc. The channel was operated by ESPN from 24 November 2008 to 31 July 2013, when it was sold to BT and became part of its BT Sport package.  The channel focusses on coverage of American sports, in particular Major League Baseball and American College sports, but BT also uses it to show European sport when BT Sport 1, 2 & 3 are otherwise engaged.  Programming is available in standard definition and high definition formats.

Owen Hargreaves: Owen Lee Hargreaves (born 20 January 1981) is an English former footballer and current television pundit for BT Sport.  Hargreaves was known as a hard-working and "solid defensive midfielder who worked tirelessly to win the ball" and provide his teammates with possession.  Born in Calgary, Alberta, Canada, Hargreaves played with Calgary Foothills as a youth before beginning his professional football career in Germany with Bayern Munich.  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.

Supporting paragraphs: Roman Grill Owen Hargreaves
Answer: four