CREATE TABLE table_39598 ("District" TEXT, "Name" TEXT, "Party" TEXT, "Hometown" TEXT, "First Elected" FLOAT, "Towns Represented" TEXT)

Which district had first elected earlier than 2006 for representation of Broken Arrow, Tulsa?
SELECT "District" FROM table_39598 WHERE "First Elected" < '2006' AND "Towns Represented" = 'broken arrow, tulsa'
SELECT "District" FROM "table_39598" WHERE "First Elected" < '2006' AND "Towns Represented" = 'broken arrow, tulsa'