CREATE TABLE table_41088 ("Tournament" TEXT, "1987" TEXT, "1988" TEXT, "1989" TEXT, "1990" TEXT, "1991" TEXT, "1992" TEXT, "1993" TEXT, "1994" TEXT, "1995" TEXT, "1996" TEXT, "1997" TEXT, "1998" TEXT, "1999" TEXT, "2000" TEXT, "2001" TEXT, "2002" TEXT, "2003" TEXT, "Career SR" TEXT, "Career Win-Loss" TEXT)

What is 1994, when 2002 is ATP Masters Series?
SELECT "1994" FROM table_41088 WHERE "2002" = 'atp masters series'
SELECT "1994" FROM "table_41088" WHERE "2002" = 'atp masters series'