CREATE TABLE table_name_92 (tournament VARCHAR)

What is Tournament, when 1996 is '1R', and when 1990 is 'SF'?
SELECT tournament FROM table_name_92 WHERE 1996 = "1r" AND 1990 = "sf"
SELECT "tournament" FROM "table_name_92" WHERE "1r" = 1996 AND "sf" = 1990