user: Question: Which opponent played in game 3 before October 18?
Columns: ['Game', 'October', 'Opponent', 'Score', 'Record']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 10.0, '@ St. Louis Blues', '3 - 1', '0-1-0']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "October" < 18.0 AND "Game" = 3.0;