CREATE TABLE table_48544 ("Tournament" TEXT, "2002" TEXT, "2003" TEXT, "2004" TEXT, "2005" TEXT, "2006" TEXT, "2007" TEXT, "2008" TEXT, "2009" TEXT, "2010" TEXT, "Career SR" TEXT, "Career W\\u2013L" TEXT)

What is the 2007 value for the 2006 wta premier tournaments?
SELECT "2007" FROM table_48544 WHERE "2006" = 'wta premier tournaments'
SELECT "2007" FROM "table_48544" WHERE "2006" = 'wta premier tournaments'