A call
http://twodimes.net/h/?z=4933654
pokenum -h ac as - ad ah - 6s 7s - jc jd
Holdem Hi: 1086008 enumerated boards
cards win %win lose %lose tie %tie EV
As Ac 16772 1.54 501387 46.17 567849 52.29 0.276
Ad Ah 26017 2.40 492142 45.32 567849 52.29 0.285
7s 6s 258598 23.81 825071 75.97 2339 0.22 0.239
Jc Jd 216772 19.96 866897 79.82 2339 0.22 0.200
Still a call
http://twodimes.net/h/?z=4933659
pokenum -h ac as - ad ah - 6s 7s - jc jd - qc qh
Holdem Hi: 850668 enumerated boards
cards win %win lose %lose tie %tie EV
As Ac 11668 1.37 524739 61.69 314261 36.94 0.198
Ad Ah 18748 2.20 517659 60.85 314261 36.94 0.206
7s 6s 201020 23.63 647865 76.16 1783 0.21 0.237
Jc Jd 141903 16.68 706982 83.11 1783 0.21 0.167
Qc Qh 163068 19.17 685817 80.62 1783 0.21 0.192
Eh, if you can see their hole cards you can fold.
http://twodimes.net/h/?z=4933661
pokenum -h ac as - ad ah - 6s 7s - jc jd - qc qh - kc kh
Holdem Hi: 658008 enumerated boards
cards win %win lose %lose tie %tie EV
As Ac 8174 1.24 493866 75.05 155968 23.70 0.130
Ad Ah 13669 2.08 488371 74.22 155968 23.70 0.138
7s 6s 153162 23.28 503257 76.48 1589 0.24 0.233
Jc Jd 93674 14.24 562745 85.52 1589 0.24 0.143
Qc Qh 107560 16.35 548859 83.41 1589 0.24 0.164
Kc Kh 125801 19.12 530618 80.64 1589 0.24 0.192