CREATE TABLE table_3480 ("District" FLOAT, "Representative" CLOB, "Party" CLOB, "Residence" CLOB, "First Elected" CLOB, "Term Limited" FLOAT)

If the Representative is Barbara sears, what is the district number?
SELECT MAX("District") FROM table_3480 WHERE "Representative" = 'Barbara Sears'
SELECT MAX("District") FROM "table_3480" WHERE "Representative" = 'Barbara Sears'