CREATE TABLE table_2789 ("Date" TEXT, "Location" TEXT, "Opponent" TEXT, "Cyclones Points" FLOAT, "Opp. Points" FLOAT, "Record" TEXT)

When did the team play against Niagara?
SELECT "Date" FROM table_2789 WHERE "Opponent" = 'Niagara'
SELECT "Date" FROM "table_2789" WHERE "Opponent" = 'Niagara'