Table: ottawa_senators_game_10
Columns: game
date
opponent
score
location
attendance
record
points

Question: Date for scotiabank place with less than 20 points, game larger than 16, and an opponent of montreal canadiens?
SQL: SELECT "date" FROM ottawa_senators_game_10 WHERE "location" = 'scotiabank place' AND "points" < 20 AND "game" > 16 AND "opponent" = 'montreal canadiens'