$6.50 A9 facing SB aggression

[DerrtySlime]

SB is aggressive, made an "aggressive call"lol with A2cc against another loose player earlier and doubled up when he had 7BB's left. is this good enough?do i want an altercation right now?

PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

CO (t2615)
Button (t3460)
SB (t2095)
Hero (t1230)
UTG (t1510)
MP (t2590)

Preflop: Hero is BB with A[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/spade.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">SB raises to t600</font>, Hero???