CREATE TABLE table_18105 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Results" CLOB, "Candidates" CLOB)

What district is Henry Hyde in
SELECT "District" FROM table_18105 WHERE "Incumbent" = 'Henry Hyde'
SELECT "District" FROM "table_18105" WHERE "Incumbent" = 'Henry Hyde'