CREATE TABLE table_72405 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

Which district is jamie l. whitten from?
SELECT "District" FROM table_72405 WHERE "Incumbent" = 'Jamie L. Whitten'
SELECT "District" FROM "table_72405" WHERE "Incumbent" = 'Jamie L. Whitten'