How Many Romulans -- Does It Take To Screw In A Light Bulb?

Q: "How many Romulans does it take to screw in a light bulb?
A: "Twelve; one to screw the light-bulb in, and eleven to self-destruct the ship out of disgrace....
How many Romulans -- does it take to screw in a light bulb?" Ch'iv na myinki blish.
How many Mahayana Buddhists -- does it take to screw in a light bulb?
Four - One to screw in the light bulb, one to not screw in the light bulb, one to not not screw in the light bulb, and one to not do any of those....
How many Sun readers -- does it take to screw in a light bulb?
None, but one is enough to screw up the joke....
How many Maoists -- does it take to change a light bulb?
One to screw in the bulb and a thousand to chant "Fight Darkness!...
How many Communists -- does it take to screw in a light bulb?
Two - one to screw it in, and a second to hand out leaflets....
How many Martians -- does it take to screw in a light bulb?
One and a half. (Is this a science-fiction in-joke?)...
How many feminists -- does it take to screw in a light bulb?
Three - one to do it, the others to consider unscrewing it before it's a third of the way in....
How many netters -- does it take to submit a light bulb joke?
1000 - One to invent the joke and 999 to submit "How many programmers -- does it take to screw in a light bulb?...