CREATE TABLE table_21891 ("Outcome" CLOB, "Year" FLOAT, "Championship" CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents" CLOB, "Score" CLOB)

What was the outcome in 1975?
SELECT "Outcome" FROM table_21891 WHERE "Year" = '1975'
SELECT "Outcome" FROM "table_21891" WHERE "Year" = '1975'