what where the clubs in the 1961-62 segunda division?
cordoba cf, cd malaga, granada cf, ud las palmas, recreativo de huelva, levante ud, hercules cf, real murcia, real jaen, cadiz cf, cd cartagena, cd mestalla, albacete balompie, cd san fernando, atletico ceuta, cd villarrobledo
which of these teams had the worst goal difference out of all?
cd villarrobledo