CREATE TABLE table_41993 ("Date" TEXT, "Location" TEXT, "Country" TEXT, "Event" TEXT, "Winner" TEXT, "Runner-up" TEXT)

What country was the game played in when the location was trestles?
SELECT "Country" FROM table_41993 WHERE "Location" = 'trestles'
SELECT "Country" FROM "table_41993" WHERE "Location" = 'trestles'