[kuro]

Button certainly doesn't need much of a hand to raise with position against multiple limpers and the first pusher doesn't have to have a super strong hand to push over the top of what is most likely a punishing the limpers type raise from the button. However when button calls his range shrinks to that of a real hand AA-JJ,AK or he's a real donk.
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If it was me, I'd have reraised to 300 and been stuck calling the pushs. With just calling the button, I guess I don't mind a fold but I probably still call because heck it's Queens with a shot to tripple up!