CREATE TABLE table_73358 ("Outcome" CLOB, "Year" FLOAT, "Championship  ( Titles/Finals ) " CLOB, "Surface" CLOB, "Partner" CLOB, "Opponents in the final" CLOB, "Score in the final" CLOB)

What championship was played in 1981?
SELECT "Championship (Titles/Finals)" FROM table_73358 WHERE "Year" = '1981'
SELECT "Championship (Titles/Finals)" FROM "table_73358" WHERE "Year" = '1981'