CREATE TABLE table_73642 ("Year" FLOAT, "Oscars" CLOB, "Noms" FLOAT, "Wins" FLOAT, "Film" CLOB, "Leading Actor" CLOB, "Leading Actress" CLOB, "Supporting Actor" CLOB, "Supporting Actress" CLOB)

Who was the leading actress in a film with Warren Beatty as the leading actor and also at the 40th Oscars?
SELECT "Leading Actress" FROM table_73642 WHERE "Leading Actor" = 'Warren Beatty' AND "Oscars" = '40th'
SELECT "Leading Actress" FROM "table_73642" WHERE "Leading Actor" = 'Warren Beatty' AND "Oscars" = '40th'