Table:
text: Taylor Dent
Singles performance timeline
Singles performance timeline
Tournament _1998 _1999 _2000 _2001 _2002 _2003 _2004 _2005 _2006 _2007 _2008 _2009 Career_W_L
Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments Grand Slam Tournaments
Australian Open A A A A 3R A 3R 3R 1R A A 1R 7–6
French Open A A A A A 1R 1R A A A A A 1–3
Wimbledon A A 1R 2R 3R 1R 3R 4R A A A 1R 9–8

Question: What value does Career WL for the Grand Slam tournaments have for Taylor Dent's singles performance timeline?