CREATE TABLE table_67991 ("Year" CLOB, "Date Final" CLOB, "Venue" CLOB, "Prize Money" CLOB, "Champion" CLOB, "Runner-up" CLOB, "Score in final" CLOB, "Commercial name" CLOB)

What champion has 1981 as the year?
SELECT "Champion" FROM table_67991 WHERE "Year" = '1981'
SELECT "Champion" FROM "table_67991" WHERE "Year" = '1981'