How many cockroaches does it take to change a lightbulb?

Can't tell cos they all run like hell when the light comes on again.How many cockroaches does it take to change a lightbulb?you hears that off of TVHow many cockroaches does it take to change a lightbulb?i think it takes 6 lolHow many cockroaches does it take to change a lightbulb?funny :)How many cockroaches does it take to change a lightbulb?That brought a smile to my face. ThanksHow many cockroaches does it take to change a lightbulb?I like the other version. How many cockroaches does it take to screw in a lightbulb? Answer: Two, but how the hell did they get in there?How many cockroaches does it take to change a lightbulb?lolHow many cockroaches does it take to change a lightbulb?so, what's the point?