CREATE TABLE table_64441 ("Date ( s ) " TEXT, "Venue" TEXT, "City" TEXT, "Ticket price ( s ) " TEXT, "Ticket sold / available" TEXT, "Ticket grossing" TEXT)

What is the ticket price at Canadian National Exhibition Stadium?
SELECT "Ticket price(s)" FROM table_64441 WHERE "Venue" = 'canadian national exhibition stadium'
SELECT "Ticket price(s)" FROM "table_64441" WHERE "Venue" = 'canadian national exhibition stadium'