What is Khalid Boulahrouz?
{{Infobox football biography | name = Khalid Boulahrouz | image = Khalid Boulahrouz.jpg | caption = | fullname = Khalid Boulahrouz<ref>{{cite web |url=https://www.fifadata.com/document/fwc/2010/PDF_BackUp_2010_06_13/FWC_2010_SquadLists.pdf |title=FIFA World Cup South Africa 2010: List of Players: Netherlands |publisher=FIFA |page=20 |date=12 June 2010 |archive-url=https://web.archive.org/web/20191018131759/https://www.fifadata.com/document/fwc/2010/PDF_BackUp_2010_06_13/FWC_2010_SquadLists.pdf |archive-date=18 October 2019}}</ref> | birth_date = {{birth date and age|1981|12|28|df=y}}<ref>{{cite web |title=2006 FIFA World Cup Germany List of Players |url=https://www.fifadata.com/document/fwc/2006/PDF/FWC_2006_SquadLists.pdf |website=FIFA |access-date=9 February 2020 |pages=19 |archive-date=10 June 2019 |archive-url=https://web.archive.org/web/20190610174527/https://www.fifadata.com/document/fwc/2006/PDF/FWC_2006_SquadLists.pdf |url-status=dead }}</ref> | birth_place = [[Maassluis]], Netherlands | height = 1.83 m<ref>{{cite web|title=Player Profile|url=http://www.vfb.de/en/teams/vfb/saison-2011-2012/page/860-0-1-1321108140.html?360|publisher=VfB Stuttgart|access-date=28 March 2012|archive-url=https://web.archive.org/web/20150610213137/http://www.vfb.de/en/teams/vfb/saison-2011-2012/page/860-0-1-1321108140.html?360|archive-date=10 June 2015|url-status=dead}}</ref> | position = [[Defender (association football)|Defender]] | currentclub = | youthyears1 = | youthclubs1 = [[Excelsior Maassluis]] | youthyears2 = | youthclubs2 = DSOV | youthyears3 = | youthclubs3 = [[AFC Ajax Youth Academy|Ajax]] | youthyears4 = | youthclubs4 = [[HFC Haarlem|Haarlem]] | youthyears5 = {{0|0000}}–2001 | youthclubs5 = [[AZ (football club)|AZ]] | years1 = 2001–2004 | clubs1 = [[RKC Waalwijk]] | caps1 = 64 | goals1 = 4 | years2 = 2004–2006 | clubs2 = [[Hamburger SV]] | caps2 = 52 | goals2 = 1 | years3 = 2006–2008 | clubs3 = [[Chelsea F.C.|Chelsea]] | caps3 = 13 | goals3 = 0 | years4 = 2007–2008 | clubs4 = → [[Sevilla FC|Sevilla]] (loan)