How many people with ME does it take to change a lightbulb?
Damn, if this was in German I could make a rare German pun using the word "isoliert" - which means isolated as in lonely and deserted, and also electrically insulated. Oh well, here's my best English effort:
Who cares - as long as they do it QUIETLY and DON'T TURN IT ON.
or how about:
Zero - why on earth would an ME sufferer want to fix a broken lightbulb?