($114) AQ 5-handed vs big stack?

[ryanghall]

Villain is probably raising a fair number of hands here. Do you fold, push or stop and go?

PokerStars Tournament, Big Blind is t400 with t25 antes (5 handed) Converter on pregopoker.com

UTG (t4240)
CO (t695)
Button (t4770)
Hero (t2270)
BB (t1525)

Preflop: Hero is in SB with A[img]/images/graemlins/diamond.gif[/img] Q[img]/images/graemlins/club.gif[/img]
<font color="gray">UTG folds</font>, <font color="gray">CO folds</font>, <font color="red">Button raises to t1200</font>, Hero ?