CREATE TABLE table_717 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Result" CLOB, "Candidates" CLOB)

What district is incumbent ike skelton from?
SELECT "District" FROM table_717 WHERE "Incumbent" = 'Ike Skelton'
SELECT "District" FROM "table_717" WHERE "Incumbent" = 'Ike Skelton'