Misc: Which dinosaur is the longest ever recorded?

Questions

Who was the first American in space?

Which Himalayan hybrids of yaks and cows are invaluable to Scrabble players?

Name the first ship from which Gulliver was shipwrecked in 'Gulliver's Travels'?

Which Italian seaport city is called 'La Superba'?

"Oliver's Story" was the sequel to which best-seller by Erich Segal?