CREATE TABLE table_66634 ("Town" TEXT, "Population  ( 2001 ) " FLOAT, "Population rank" FLOAT, "County" TEXT, "Municipality" TEXT)

What county is the town with a rank of 205 located in?
SELECT "County" FROM table_66634 WHERE "Population rank" = '205'
SELECT "County" FROM "table_66634" WHERE "Population rank" = '205'