Misc: Which US state was the 50th?

Questions

[pot luck] who originally said 'please dont shoot the pianist hes doing his best'?

[pot luck] what makes the cliffs of dover white?

[pot luck] what is the favourite food of the Aardvark?

[pot luck] how many letters make up the cambodian alphabet 74, 14 or 132?

[pot luck] in the sign language of british bookmakers at race courses what odds are indicated by placing your right hand on your nose?