CREATE TABLE table_73405 ("District" CLOB, "Vacator" CLOB, "Reason for change" CLOB, "Successor" CLOB, "Date successor seated" CLOB)

Who is the successor when florida territory at-large is the district?
SELECT "Successor" FROM table_73405 WHERE "District" = 'Florida Territory At-large'
SELECT "Successor" FROM "table_73405" WHERE "District" = 'Florida Territory At-large'