CREATE TABLE table_43073 ("Tournament" TEXT, "2007" TEXT, "2008" TEXT, "2009" TEXT, "2010" TEXT, "2011" TEXT, "2012" TEXT)

What is the 2007 of the Grand Slam Tournaments in 2008?
SELECT "2007" FROM table_43073 WHERE "2008" = 'grand slam tournaments'
SELECT "2007" FROM "table_43073" WHERE "2008" = 'grand slam tournaments'