Table:
text: Central Eastern Alps
Alpine Club classification
Group A
AVE_No_ Name_ Country Highest_mountain Height_m
25 Rätikon Switzerland Austria Liechtenstein Schesaplana 2964
26 Silvretta Alps Switzerland Austria Piz Linard 3411
27 Samnaun Alps Austria Switzerland Muttler 3294
28 Verwall Alps Austria Hoher Riffler 3168
29 Sesvenna Alps Switzerland Italy Austria Piz Sesvenna 3204
30 Ötztal Alps Austria Italy Wildspitze 3768
31 Stubai Alps Austria Italy Zuckerhütl 3507
32 Sarntal Alps Italy Hirzer 2781
33 Tux Alps Austria Lizumer Reckner 2884
34 Kitzbühel Alps (1) Austria Kreuzjoch 2558
35 Zillertal Alps Austria Hochfeiler 3510
36 Venediger Group Austria Großvenediger 3666
37 Rieserferner Group Italy Austria Hochgall 3436
38 Villgraten Mountains Austria Italy Weiße Spitze 2962

Question: What is the average altitude of the group alpine club classification below the highest mountain in the Central Eastern Alps, Hochgall?