CREATE TABLE table_203_484 (id DECIMAL, "member" TEXT, "party" TEXT, "electorate" TEXT, "state" TEXT, "first elected" TEXT)

allan fraser was elected how many years before frank crean ?
SELECT ABS((SELECT "first elected" FROM table_203_484 WHERE "member" = 'allan fraser') - (SELECT "first elected" FROM table_203_484 WHERE "member" = 'frank crean'))
SELECT ABS((SELECT "first elected" FROM "table_203_484" WHERE "member" = 'allan fraser') - (SELECT "first elected" FROM "table_203_484" WHERE "member" = 'frank crean'))