CREATE TABLE table_name_85 (date VARCHAR2, visitor VARCHAR2, home VARCHAR2)

What day was the game that had the Cavaliers as visiting team and the Knicks as the home team?
SELECT date FROM table_name_85 WHERE visitor = "cavaliers" AND home = "knicks"
SELECT "date" FROM "table_name_85" WHERE "cavaliers" = "visitor" AND "home" = "knicks"