Misc: American indians used beads as currency. What was it called?

Questions

Where in Austria did John Curry win his Winter Olympic Gold in 1976?

At which motor racing venue would you find the Coca Cola Kurve, Ford Kurve and Dunlop Kurve?

Which jockey with over 1000 winners in Great Britain rode his last winner on Sir Francis at Brighton in april 2000?

At which motor racing venue would you find the Jim Clark Kurve and the Ayrton Senna Kurve?

What was the venue in 1894 for Golfs Open Championship on the first occasion that the event was held on an english course?