Related:

• Q: How many mathematicians does it take to screw in a lightbulb?
  A: One. He gives it to six Californians, thereby reducing the problem to the earlier joke....
• How many mathematicians -- does it take to screw in a light bulb?
  One. He gives it to six Californians, thereby reducing the problem to an earlier joke....
• How many mathematicians -- does it take to screw in a light bulb?
  One. He gives it to five Oregonians, thereby reducing the problem to an earlier joke....
• Q: How many Californians does it take to screw in a lightbulb?
  A: Five. One to screw in the lightbulb and four to share the experience....
• Q: How many Martians does it take to screw in a lightbulb? A: One and a half.
• Q: How many Oregonians does it take to screw in a light bulb?
  A: Three. One to screw in the lightbulb and two to fend off all those Californians trying to share the experience....