CREATE TABLE table_345 ("Number Range" TEXT, "Introduced" TEXT, "Builder" TEXT, "Engine" TEXT, "Weight  ( long tons ) " TEXT, "Seats" TEXT, "Withdrawn" TEXT, "Notes" TEXT)

what's the notes where number range is 17
SELECT "Notes" FROM table_345 WHERE "Number Range" = '17'
SELECT "Notes" FROM "table_345" WHERE "Number Range" = '17'