Is it right to call a flush draw here?

Party Poker No-Limit Hold'em Tourney, Big Blind is t2000 (9 handed) FTR converter on zerodivide.cx

SB (t19488)
Hero (t62138)
UTG (t22687)
UTG+1 (t14380)
MP1 (t13517)
MP2 (t21620)
MP3 (t22435)
CO (t12214)
Button (t14050)

Preflop: Hero is BB with 2[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/club.gif[/img].
<font color="#666666">4 folds</font>, <font color="#CC3333">MP3 raises to t4000</font>, <font color="#666666">2 folds</font>, SB calls t3000, Hero calls t2000.

Flop: (t12000) 5[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font> SB GOES ALL IN,
Hero ??