user: Question: On what date was the Game 1 played at Portland?
Columns: ['Game', 'Date', 'Home team', 'Result', 'Road team']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Game 1', 'April 20', 'Portland', '101–100', 'Denver']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Home team" = 'Portland' AND "Game" = 'Game 1';