CREATE TABLE table_18722 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

Name the district for william j. driver
SELECT "District" FROM table_18722 WHERE "Incumbent" = 'William J. Driver'
SELECT "District" FROM "table_18722" WHERE "Incumbent" = 'William J. Driver'