They still haven't figured out how to screw in the lightbulb
None- that's hardware.
Two one to hold the bulb and the other to serve him beer until the room starts spinning.
Fish
2...and don't ask me how they got in there. (My 87 year old grandma just told me this one)
Never mind, I figured it out.
He couldn't figure out how to refill the hand dryer!
One... The rest are true stories.