13th wiki-link game

I chose the fourth link...

1).  Bouchraya Hammoudi Bayoun  http://en.wikipedia.org/wiki/Bouchraya_Hammoudi_Bayoun
2).  Sawrahi Arab Democratic Republic  http://en.wikipedia.org/wiki/Sahrawi_Arab_Democratic_Republic
3).  Spanish  http://en.wikipedia.org/wiki/Spain
4).  Iberian Peninsula  http://en.wikipedia.org/wiki/Iberian_Peninsula
5).  Spain  http://en.wikipedia.org/wiki/Spain
6).  Iberian Peninsula  http://en.wikipedia.org/wiki/Iberian_Peninsula

4 and 6 are the same.  GAME OVER.