CREATE TABLE table_72356 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

In what district was the incumbent Steve Chabot?
SELECT "District" FROM table_72356 WHERE "Incumbent" = 'Steve Chabot'
SELECT "District" FROM "table_72356" WHERE "Incumbent" = 'Steve Chabot'