In memory of everyone's favourite alcoholic Jewish female jazz singer-songwriter (bonus points for anyone who has a different favourite alcoholic Jewish female jazz singer-songwriter: please share in comments), a single question today. What was the highest UK chart position achieved by Amy Winehouse's cover version of Valerie?
Usual rules apply. Insert some kind of joke prize here. What links Bobby Brown, a girl who thinks of ghosts, and Justine Frischmann?