CREATE TABLE table_204_799 (id NUMBER, "name" CLOB, "built" CLOB, "listed" CLOB, "location" CLOB, "county" CLOB, "type" CLOB)

fairground street bridge and confederate avenue brick arch bridge were both built in which county ?
SELECT "county" FROM table_204_799 WHERE "name" = 'fairground street bridge'
SELECT "county" FROM "table_204_799" WHERE "name" = 'fairground street bridge'