From the Nightly Hundred Grand--300/600a50

SB 21,900
BB 5,000
UTG 13,000
UTG+1 5,200
UTG+2 20,500
HJ+1 28,200
HJ 19,700
CO 15,500
BTN (hero) 32,300

You are OTB
All fold to HJ+1 who min raises to 1200
you recently moved to the table. The only player you know is SB, a well a known good player.
You have :Ad

Your move....