CREATE TABLE table_3478 ("District" FLOAT, "Representative" CLOB, "Party" CLOB, "Residence" CLOB, "First Elected" CLOB, "Term Limited" FLOAT)

In which district is the residence Dublin?
SELECT "District" FROM table_3478 WHERE "Residence" = 'Dublin'
SELECT "District" FROM "table_3478" WHERE "Residence" = 'Dublin'