CREATE TABLE table_12303 ("Year" FLOAT, "Award Ceremony" CLOB, "Category" CLOB, "Nominee" CLOB, "Result" CLOB)

What's the nominee for best supporting actress?
SELECT "Nominee" FROM table_12303 WHERE "Category" = 'best supporting actress'
SELECT "Nominee" FROM "table_12303" WHERE "Category" = 'best supporting actress'