CREATE TABLE table_19076 ("Rd." FLOAT, "Race Title" CLOB, "Circuit" CLOB, "City / State" CLOB, "Date" CLOB, "Winner" CLOB, "Team" CLOB, "Report" CLOB)

On what circuit was the City of Ipswich 400 race held?
SELECT "Circuit" FROM table_19076 WHERE "Race Title" = 'City of Ipswich 400'
SELECT "Circuit" FROM "table_19076" WHERE "Race Title" = 'City of Ipswich 400'