PokerStars No-Limit Hold'em, $0.50 BB (7 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP1 ($42.45)
MP2 ($51.70)
CO ($106.75)
Hero ($49.75)
SB ($59.90)
BB ($18.40)
UTG ($107.75)

Preflop: Hero is Button with Q, Q.
3 folds, CO raises to $2, Hero raises to $7, SB calls $6.75, 1 fold, CO folds.

Flop: ($16.50) Q, 4, A (2 players)
SB bets $3, Hero raises to $12, SB raises to $53.4, Hero ...

Please don't say "wtf you have a set of queens this is silly." Once again this guy is 10/3/2 over a large sample and have him labeled as one of the nittiest players I have played with. The donk bet made me think he might have a hand like AK and wanted to see what I would do. Once I raised I really thought his range could be as small as 44 or AA (with a very very slight chance of AQ/AK), and I think there is a good chance he would muck 44 pf.

Now I have already invested $19, the pot is $84 and it is $31 for me to call or ~2.5:1...

Does anyone just call the flop? I don't think he could hold 2 spades in his hand. But essentially this is an impossible fold for me. Even if I do just call the silly little donk bet I will raise the turn.

The preflop cold call after being raised/reraised, and his small donk/push really does/did scream AA to me. I didn't get much a reply for his range preflop, but what do you put his range on now based on the flop action?