CREATE TABLE table_name_38 (authority VARCHAR2, area VARCHAR2, decile VARCHAR2)

What is the authority status of the school in Ellerslie with a decile of 7?
SELECT authority FROM table_name_38 WHERE area = "ellerslie" AND decile = "7"
SELECT "authority" FROM "table_name_38" WHERE "7" = "decile" AND "area" = "ellerslie"