Nash here suggests to overcall ATo+ (12,5%) but i dont get it. I thought this was one of those spots that we fold QQ and maybe KK. 
Party, $0.85 Buy-in (600/1,200 blinds, 50 ante) No Limit Hold'em Tournament, 3 Players
Poker Tools Powered By Holdem Manager - The Ultimate Poker Software Suite.
SB: 5,090 (4.2 bb)
Hero (BB): 7,695 (6.4 bb)
BTN: 7,215 (6 bb)
Preflop: Hero is BB with Q
A
BTN raises to 7,165 and is all-in, SB calls 4,440 and is all-in, Hero folds
Flop: (11,430) T
Q
K (2 players, 2 are all-in)
Turn: (11,430) 9 (2 players, 2 are all-in)
River: (11,430) A (2 players, 2 are all-in)
Results:
Spoiler
11,430 pot
Final Board: T Q K 9 A
SB showed 3 3 and lost (-5,090 net)
BTN showed A 9 and won 11,430 (6,340 net)