text: which are the most powerful "celebrity supplier" countries, besides australia, gb and france? example> 1. australia > cate blanchet, guy pearce......          2. uk > keira knightley, hugh grant.....          3. france> audrey tautou, olivier martinez.....          4. which country is next???  observation> the actors can be born alsewhere, but became known in that country!!! usa is an obvious no. 1 i would think. canada doesn't do too badly either.