Related:

• Q: How many Martians does it take to screw in a lightbulb? A: One and a half.
• How many Martians -- does it take to screw in a light bulb?
  One and a half. (Is this a science-fiction in-joke?)...
• Q: How many college football players does it take to screw in a lightbulb?
  A: Only one, but he gets three credits for it....
• Q: How many Marxists does it take to screw in a lightbulb?
  A: None: The lightbulb contains the seeds of its own revolution....
• Q: How many WASP's does it take to change a lightbulb? A: One.
• Q: How many lesbians does it take to screw in a lightbulb?
  A: Ten. One to do it, and nine to talk about how gratifying it was without a man....
• Q: How many Microsoft Programmers does it take to screw in a lightbulb?
  A: It cannot be done. You will need to upgrade your house....
• 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....