CREATE TABLE table_72452 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "Elected" FLOAT, "Status" TEXT, "2007 Result" TEXT)

What district is incument terry kilgore from?
SELECT "District" FROM table_72452 WHERE "Incumbent" = 'Terry Kilgore'
SELECT "District" FROM "table_72452" WHERE "Incumbent" = 'Terry Kilgore'