CREATE TABLE table_60776 ("Date" TEXT, "Nationality / Opponent" TEXT, "Ground" TEXT, "Result" TEXT, "Competition" TEXT)

Name the Nationality / Opponent of rosario?
SELECT "Competition" FROM table_60776 WHERE "Nationality / Opponent" = 'rosario'
SELECT "Competition" FROM "table_60776" WHERE "Nationality / Opponent" = 'rosario'