In response to your queries

1- you must shoot the electronic goal to enter the draw to participate at the match!

2- you are assigned a section so you can sit anywhere within that area. Make sure to come early to get the best possible spot. And there is in fact an electronic system that figures out how many tickets were sold. The final is being played in Khalifa stadium which has 50,000 person capacity.

Please let us know if you have any more questions http://www.facebook.com/QatarFootballAssociation