CREATE TABLE table_28842 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" CLOB, "Result" CLOB, "Candidates" CLOB)

Which party does the incumbent Mathias Morris belong to?
SELECT "Party" FROM table_28842 WHERE "Incumbent" = 'Mathias Morris'
SELECT "Party" FROM "table_28842" WHERE "Incumbent" = 'Mathias Morris'