Expect anything at anytime and you won't go far wrong in Vegas as most have said... (that applies to just about everything and not strictly applicable to the cashgames obv
)
The guy could have ANY Queen with ANY card that is the same suit, it doesn't even have to be the same suit and I would say colour will do for some.
This is all based on what I've seen through the years though, you might have plotted up at a table full of guys playing 20/16/6 with perfectly balanced ranges