PokerStars No-Limit Hold'em, $4.00+$0.40 Tournament, 800/1600 Blinds 150 Ante (5 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com
Button (t48105)
Hero (SB) (t43518)
BB (t98543)
UTG (t60543)
MP (t19291)
Hero's M: 13.82
Preflop: Hero is SB with A♠, 8♦
1 fold, MP bets t19141 (All-In), 3 folds
Total pot: t4750
He was a rather tight player and he pushed the hand before, so I give him a very tight range and I fold.
Is this ok? Or do I have to call here?