Question: What is the name of the Swedish professional footballer who is considered a talisman for AIK leading the defense at left-back resulting in a loss of only 28 goals during the 2007 season? 
Sentence (from "2007 AIK Fotboll season"): Argentine recruits Iván Obolo and Lucas Valdemarín impressed upon their arrivals, forming an impressive unit with Figueiredo, which was curtailed when Al-Rayyan bought Figueiredo in September.
Relevant evidence: No