Table: kaff_football_games
Columns: date
champion
2nd_place
score
stadium

Question: What was the score when the Vikings won the championship at Namyangju Stadium?
SQL: SELECT "score" FROM kaff_football_games WHERE "champion" = 'vikings' AND "stadium" = 'namyangju stadium'

Question: What date did Blue Friends come in 2nd place?
SQL: SELECT "date" FROM kaff_football_games WHERE "2nd_place" = 'blue friends'

Question: Which Stadium was played in when Seven Six was second place?
SQL: SELECT "stadium" FROM kaff_football_games WHERE "2nd_place" = 'seven six'