what are all of the clubs in the 2010 northern football league season?
bundoora football club, eltham football club, greensborough football club, heidelberg football club, lalor football club, macleod football club, montmorency football club, north heidelberg football club, northcote park football club, west preston lakeside football club
what is the most recent promotion for heidelberg?
1983
which years are 1 year or more before this?
1982
what club is this for?
bundoora football club