CREATE TABLE table_60357 ("Tournament" TEXT, "1988" TEXT, "1990" TEXT, "1991" TEXT, "1992" TEXT, "1993" TEXT, "1995" TEXT, "1996" TEXT, "1997" TEXT, "1998" TEXT, "1999" TEXT, "2000" TEXT, "2001" TEXT, "Career SR" TEXT, "Career Win-Loss" TEXT)

What is the 1991 for 2R 1999?
SELECT "1991" FROM table_60357 WHERE "1999" = '2r'
SELECT "1991" FROM "table_60357" WHERE "1999" = '2r'