Only 1, but it takes them 15 episodes to do it.
Two. One to hold it in place, another to rotate the universe around it.
Define "light bulb".
Only one but he has to manufacture it first.
100; 1 to do it, and 99 to say "I could do that."
1% milk
Coach.
Because OMG, they like LITERALLY can't even.
Ten.
Guesu