CREATE TABLE table_18553 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

What party does the incumbent from the Ohio 5 district belong to?
SELECT "Party" FROM table_18553 WHERE "District" = 'Ohio 5'
SELECT "Party" FROM "table_18553" WHERE "District" = 'Ohio 5'