Misc: Back of horse's leg where hair grows above hoof?

Questions

Which is the only London Underground station with a platform bar?

Which of Henry VIIIs wives outlived him?

In football which is th eonly english or scottish league team with a J in the name?

What took place on a New York State dairy farm belonging to Max Yasgur in 1969?

Which former Etonian author served once as a policeman in Burma?