CREATE TABLE table_40305 ("Year" FLOAT, "Award" TEXT, "Result" TEXT, "Category" TEXT, "Film" TEXT)

Who was awarded after 1947 in the category of, the best actor in a leading role?
SELECT "Award" FROM table_40305 WHERE "Year" > '1947' AND "Category" = 'best actor in a leading role'
SELECT "Award" FROM "table_40305" WHERE "Category" = 'best actor in a leading role' AND "Year" > '1947'