user: Question: What is the highest November date that has a game under 19 and opponents of the Minnesota North Stars?
Columns: ['Game', 'November', 'Opponent', 'Score', 'Record']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [10.0, 1.0, 'Chicago Black Hawks', '5 - 2', '7-2-1']
SQL:

assistant: SELECT MAX("November") FROM "Table" WHERE "Game" < 19.0 AND "Opponent" = 'Minnesota North Stars';