who the hell make a call with QQ on a board [5d 5c 6d] [Ad] with 3 allins before????

pokerstars Game #20948879229: Tournament #110949668, $200+$15 Hold'em No Limit - Level III (100/200) - 2008/10/05 13:28:54 ET
Table '110949668 34' 9-max Seat #1 is the button
Seat 1: vacationfund (12100 in chips)
Seat 2: 2gnome (9150 in chips)
Seat 3: advanced (10375 in chips)
Seat 4: TwoFaceCH (13025 in chips)
Seat 5: kikka66 (2025 in chips)
Seat 6: jlost88 (10575 in chips)
Seat 7: Le_C@meleon (8400 in chips)
Seat 8: gerbone (27700 in chips)
Seat 9: charles_pepe (6025 in chips)
2gnome: posts small blind 100
advanced: posts big blind 200
*** HOLE CARDS ***
Dealt to advanced [6c 6s]
TwoFaceCH: raises 400 to 600
kikka66: calls 600
jlost88: folds
Le_C@meleon: folds
gerbone: calls 600
charles_pepe: folds
vacationfund: calls 600
2gnome: folds
advanced: calls 400
*** FLOP *** [5d 5c 6d]
advanced: checks
TwoFaceCH: bets 1800
kikka66: calls 1425 and is all-in
gerbone: calls 1800
vacationfund: folds
advanced: raises 2200 to 4000
TwoFaceCH: calls 2200
gerbone: calls 2200
*** TURN *** [5d 5c 6d] [Ad]
advanced: checks
TwoFaceCH: checks
gerbone: bets 23100 and is all-in
advanced: calls 5775 and is all-in
TwoFaceCH: calls 8425 and is all-in
Uncalled bet (14675) returned to gerbone
*** RIVER *** [5d 5c 6d Ad] [Qs]
*** SHOW DOWN ***
TwoFaceCH: shows [Qh Qc] (a full house, Queens full of Fives)
gerbone: shows [7h 8s] (a pair of Fives)
TwoFaceCH collected 5300 from side pot-2
advanced: shows [6c 6s] (a full house, Sixes full of Fives)
TwoFaceCH collected 25050 from side pot-1
kikka66: shows [Kh Kd] (two pair, Kings and Fives)
TwoFaceCH collected 8800 from main pot