completetly lost on a river check raise by nationz

[Kevin Browne]

I don't have the a HH on me now but this is how how the hand went.

6 max, 5-10 NL, I have approx 1150 he covers, nationz (I have villain running at 24-12 with an AF of 2 over 600 hands) is UTG he raises to 35, I smooth call with A [img]/images/graemlins/club.gif[/img]Q [img]/images/graemlins/heart.gif[/img], everyone else folds. flop comes Q [img]/images/graemlins/diamond.gif[/img]2 [img]/images/graemlins/diamond.gif[/img]2 [img]/images/graemlins/heart.gif[/img]. He bets 50 into the 85 pot, I raise to 150, he thinks for a sec and calls, now the turn comes 6 [img]/images/graemlins/spade.gif[/img], he checks, I think for a little and check behind, river is the 5 [img]/images/graemlins/club.gif[/img], he checks, I bet 300 into the 385 pot he check raises allin for 700 hundred more to me, I???????