SELECT "Date" FROM table_54018 WHERE "Home" = 'grizzlies' AND "Visitor" = 'timberwolves'
What was the date of the game in which the home team was the Grizzlies and the visiting team was the Timberwolves?
CREATE TABLE table_54018 (
    "Date" text,
    "Visitor" text,
    "Score" text,
    "Home" text,
    "Leading scorer" text,
    "Record" text
)