Folded my straight flush!!!!!

[hc422709]

*** HOLE CARDS ***
Dealt to hc422709 [8s Ts]
hc422709: folds
pocabola: calls 100
kings4323: checks
*** FLOP *** [9s 7s 7h]
pocabola: bets 200
kings4323: calls 200
*** TURN *** [9s 7s 7h] [6s]
pocabola: bets 200
kings4323: calls 200
*** RIVER *** [9s 7s 7h 6s] [Kd]
pocabola: bets 600
kings4323: folds
pocabola collected 1200 from pot
pocabola: doesn't show hand
*** SUMMARY ***
Total pot 1200 | Rake 0
Board [9s 7s 7h 6s Kd]
Seat 3: kings4323 (big blind) folded on the River
Seat 7: hc422709 (button) folded before Flop (didn't bet)
Seat 9: pocabola (small blind) collected (1200)


why the hell did I fold that?