Well my answer was attitude. Skills you can teach. Ambition is promoted by culture and environment. The challenge here is that if you are more intelligent than Ms Collins, of if you have a different opinion or understanding of the world, you're out.
I had anticipated this question as I a friend also interviewed for a different job. I had prepared an answer of Wolf as it shows teamwork skills, can be a leader, sociable, I think I also waggled reliable in there too - God knows how ahaha!