CREATE TABLE table_48508 ("Tournament" TEXT, "1993" TEXT, "1994" TEXT, "1995" TEXT, "1996" TEXT, "1997" TEXT, "1998" TEXT, "1999" TEXT, "2000" TEXT, "2001" TEXT, "2002" TEXT, "2003" TEXT, "2004" TEXT, "2005" TEXT, "2006" TEXT, "2007" TEXT, "Career WR" TEXT, "Career Win-Loss" TEXT)

What is 2004, when 2007 is 'A', and when 1997 is 'A'?
SELECT "2004" FROM table_48508 WHERE "2007" = 'a' AND "1997" = 'a'
SELECT "2004" FROM "table_48508" WHERE "1997" = 'a' AND "2007" = 'a'