Only one, but it takes nine years.
4 no 5 no 6 no its really 4 - not sure, better flip a coin to get the right number
Two, one to change the lightbulb and another to show one they changed earlier.
1001 1 to offer up the bulb and 1000 to scream 'Get in the hole'
One. But it'll take 3 episodes, and Krillin dies.
Oh, just 50 dollars, like always.
How many did it take last year
Only one but it may take him/her more than five years to do it.