CREATE TABLE table_7313 ("Tournament" TEXT, "1998" TEXT, "1999" TEXT, "2000" TEXT, "2001" TEXT, "2002" TEXT, "2003" TEXT, "2004" TEXT, "2005" TEXT, "2006" TEXT, "2007" TEXT, "2008" TEXT, "2009" TEXT, "Career W-L" TEXT)

What is the value for Career W-L for the Grand Slam Tournaments?
SELECT "Career W-L" FROM table_7313 WHERE "Tournament" = 'grand slam tournaments'
SELECT "Career W-L" FROM "table_7313" WHERE "Tournament" = 'grand slam tournaments'