Table:
text: List of attendance figures at domestic professional sports leagues
Indoor sports
Indoor sports
League Sport Season Total_attendance Average_attendance
Quebec Major Junior Hockey League Junior ice hockey 2006–07 2268508 3601
LNH Handball 2012–2013 460143 3528
Austrian Hockey League Ice hockey 2008–09 907740 2928
United States Hockey League Junior ice hockey 2010–11 1054856 2637
Southern Professional Hockey League Ice hockey 2011–12 704664 2796
Slovak Extraliga Ice hockey 2004–05 766816 2840
Russian Basketball Super League Basketball 2010–11 385702 2401
Lega Pallavolo Serie A Volleyball 2005–06 469799 2512
HockeyAllsvenskan Ice hockey 2012–13 1174766 3227
Elite Ice Hockey League Ice Hockey 2009–10 743040 2322
Oddset Ligaen Ice hockey 2007–08 407972 1534
UPC Ligaen Ice hockey 2005–06 329768 1335
North American Hockey League Junior ice hockey 2010–11 957323 1269

Question: What is the average attendance of the league with a total attendance of 2268508 in the list of indoor sports attendance in domestic professional sports leagues?