How many Arians -- does it take to change a light bulb?

Related:

• How many jugglers -- does it take to change a light bulb?
  One, but it takes at least three light bulbs...
• How many Soviet emigres -- does it take to change a light bulb?
  One, and a lot of light bulbs...
• How many gorillas -- does it take to screw in a light bulb?
  Only one, but it sure takes a shitload of light bulbs...
• How many Arians -- does it take to change a light bulb?
  None: Arians aren't afraid of the dark...
• How many Arians -- does it take to change a light bulb?
  Just the one. You want to make something of it, eh...
• How many lawyers -- does it take to change a light bulb?
  It only takes one to change your bulb to his bulb...
• How many bluegrass musicians -- does it take to change a light bulb?
  They don't. They only use acoustic light bulbs...
• How many light bulbs -- does it take to change a light bulb?
  Two, the new one and the old one. (hahahahah ??...
• How many psychiatrists does it take to change a light bulb?
  Only one, but it takes a really long time and the light...