Any number above 0 so even .000000000000000000000001 gl on your homework.
You have a few choices.
1) You could browse the web
2) Look for books on the topic (they're the most accurate and have the best info)
3) If able, rent a couple of shows/movies relating to the subject. They might not be 100% correct, but it's worth trying.
Hope this helps!
He needs to give each of his friends 3 cards each
