CREATE TABLE table_name_84 (order VARCHAR2, species_authority VARCHAR2)

What order has the Species Authority of hydrochaeris hydrochaeris (linnaeus, 1766)?
SELECT order FROM table_name_84 WHERE species_authority = "hydrochaeris hydrochaeris (linnaeus, 1766)"
SELECT "order" FROM "table_name_84" WHERE "hydrochaeris hydrochaeris (linnaeus, 1766)" = "species_authority"