CREATE TABLE table_695 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

What district was incumbent Jerry Kleczka in?
SELECT "District" FROM table_695 WHERE "Incumbent" = 'Jerry Kleczka'
SELECT "District" FROM "table_695" WHERE "Incumbent" = 'Jerry Kleczka'