CREATE TABLE table_19303 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" CLOB, "Result" CLOB, "Candidates" CLOB)

Who was the incumbent in the Ohio 16 district?
SELECT "Incumbent" FROM table_19303 WHERE "District" = 'Ohio 16'
SELECT "Incumbent" FROM "table_19303" WHERE "District" = 'Ohio 16'