CREATE TABLE table_55790 ("Name" CLOB, "Years" CLOB, "Gender" CLOB, "Area" CLOB, "Authority" CLOB, "Decile" FLOAT, "Roll" FLOAT)

What is the Decile with a State Authority and a roll of 120?
SELECT SUM("Decile") FROM table_55790 WHERE "Authority" = 'state' AND "Roll" = '120'
SELECT SUM("Decile") FROM "table_55790" WHERE "Authority" = 'state' AND "Roll" = '120'