Задание тренера:защита ББ 3-бетом №2

Вопрос по раздаче
Не знаю такие минрейзы и мин 4 беты я никогда не понимал и не пойму.По статам оппонент 100% фиш и смотреть флоп с A-7 как то не хотелось с ним.

Раздача
PokerStars - $0.91+$0.09|10/20 Ante 3 NL - Holdem - 9 players
Hand converted by PokerTracker 4

UTG+1: 1,572 (VPIP: 20.00, PFR: 20.00, 3Bet Preflop: 0.00, Hands: 5)
MP: 1,475 (VPIP: 0.00, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 7)
MP+1: 1,605 (VPIP: 30.56, PFR: 14.29, 3Bet Preflop: 11.76, Hands: 36)
MP+2: 1,362 (VPIP: 12.50, PFR: 0.00, 3Bet Preflop: 0.00, Hands:
CO: 1,425 (VPIP: 20.00, PFR: 0.00, 3Bet Preflop: 0.00, Hands: 5)
BTN: 1,512 (VPIP: 14.67, PFR: 13.36, 3Bet Preflop: 1.96, Hands: 264)
SB: 1,465 (VPIP: 36.99, PFR: 2.78, 3Bet Preflop: 0.00, Hands: 73)
Hero (BB): 1,542
UTG: 1,542 (VPIP: 15.38, PFR: 12.78, 3Bet Preflop: 3.85, Hands: 147)

9 players post ante of 3, SB posts SB 10, Hero posts BB 20

Pre Flop: (pot: 57) Hero has

fold, fold, fold, fold, fold, fold, fold, SB raises to 40, Hero raises to 120, SB raises to 200, Hero calls 80

Flop: (427, 2 players)
SB bets 1,262 and is all-in, fold

SB wins 427