CREATE TABLE table_36306 ("Tournament" CLOB, "1988" CLOB, "1989" CLOB, "1990" CLOB, "1991" CLOB, "1992" CLOB, "1993" CLOB, "1994" CLOB, "1995" CLOB, "1996" CLOB, "1997" CLOB, "1998" CLOB)

WHICH 1990 has a 1993 of 1r?
SELECT "1990" FROM table_36306 WHERE "1993" = '1r'
SELECT "1990" FROM "table_36306" WHERE "1993" = '1r'