This is a PS micro MTT 2+.2

Villian has played pretty tight, but likes to make large raises preflop, 8xBB or so. I felt that he couldn't have limped QQ, but that 55 TT or AQ was possible, but such a large overbet smelled like a flush draw or it could be a weaker Q afraid of someone drawing to the flush. I guess that was what he wanted me to think. However was I right in my reasoning? How can you tell if your opponent is crafty or not? This might not be answerable questions, but any comments/advice will be appreciated. Thanks.

POKERSTARS GAME #2822249157: TOURNAMENT #13543689, HOLD'EM NO LIMIT - LEVEL VII (100/200) - 2005/10/16 - 22:43:54 (ET)
Table '13543689 259' Seat #5 is the button
Seat 1: GEA1 (8884 in chips)
Seat 2: Marlboro III (3265 in chips)
Seat 3: DoggerPA (2130 in chips)
Seat 4: Dtownokie (6257 in chips)
Seat 5: playtag (4600 in chips)
Seat 6: 300 inch KW (7550 in chips)
Seat 7: TerryK71 (7828 in chips)
Seat 8: tlo(TEO) (2321 in chips)
Seat 9: goldyfishy (4985 in chips)
GEA1: posts the ante 25
Marlboro III: posts the ante 25
DoggerPA: posts the ante 25
Dtownokie: posts the ante 25
playtag: posts the ante 25
300 inch KW: posts the ante 25
TerryK71: posts the ante 25
tlo(TEO): posts the ante 25
goldyfishy: posts the ante 25
300 inch KW: posts small blind 100
TerryK71: posts big blind 200
*** HOLE CARDS ***
Dealt to goldyfishy [Qh Kh]
tlo(TEO): calls 200
goldyfishy: calls 200
GEA1: calls 200
Marlboro III: calls 200
DoggerPA: folds
Dtownokie: folds
playtag: folds
300 inch KW: calls 100
TerryK71: checks
*** FLOP *** [Qs 5s Ts]
300 inch KW: checks
TerryK71: checks
tlo(TEO): checks
goldyfishy: bets 1000
GEA1: raises 6000 to 7000
Marlboro III: folds
300 inch KW: folds
TerryK71: folds
tlo(TEO): folds
GEA1 said, "HERE FISHEY"
goldyfishy: calls 3760 and is all-in
*** TURN *** [Qs 5s Ts] [7s]
*** RIVER *** [Qs 5s Ts 7s] [7d]
*** SHOW DOWN ***
goldyfishy: shows [Qh Kh] (two pair, Queens and Sevens)
GEA1: shows [4s Ks] (a flush, King high)
GEA1 collected 10945 from pot
GEA1 said, "OOPS"
*** SUMMARY ***
Total pot 10945 | Rake 0
Board [Qs 5s Ts 7s 7d]
Seat 1: GEA1 showed [4s Ks] and won (10945) with a flush, King high
Seat 2: Marlboro III folded on the Flop
Seat 3: DoggerPA folded before Flop (didn't bet)
Seat 4: Dtownokie folded before Flop (didn't bet)
Seat 5: playtag (button) folded before Flop (didn't bet)
Seat 6: 300 inch KW (small blind) folded on the Flop
Seat 7: TerryK71 (big blind) folded on the Flop
Seat 8: tlo(TEO) folded on the Flop
Seat 9: goldyfishy showed [Qh Kh] and lost with two pair, Queens and Sevens