Two. One to screw it almost all the way in and one to give it a surprising twist at the end.
Whatever it says in the book.
4 no 5 no 6 no its really 4 - not sure, better flip a coin to get the right number
Two, but don't ask me how they got in there.
Six: one to screw it in and five to cheer him on loudly while standing in front of other people's bulbs so no one can see them.
I've already got that the frog called our car club to get toad, but that's about where my puns end.
They get Hungary so they go for Turkey.
Two: one to get it 95% done, and the second to give it the twist at the end.