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

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'