Q: "The ""Treaty Banning Nuclear Weapon Tests In The Atmosphere, In Outer Space And Under Water"", known as the ""Partial Test Ban Treaty"", ""Limited Test Ban Treaty"" and ""Nuclear Test Ban Treaty"", introduced in 1963, was signed by a number of countries including the UK, the USA and which other?"
A: ussr

Q: "Which London station does the ""Eurostar"" leave from?"
A: st pancras

Q: Albert Einstein is known to have played which musical instrument?
A:
violin