CREATE TABLE table_28729 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

Who was the incumbent in the Ohio 5 district?
SELECT "Incumbent" FROM table_28729 WHERE "District" = 'Ohio 5'
SELECT "Incumbent" FROM "table_28729" WHERE "District" = 'Ohio 5'