CREATE TABLE table_13055 ("Opposing Teams" TEXT, "Against" FLOAT, "Date" TEXT, "Venue" TEXT, "Status" TEXT)

What opposing teams playing on 11/04/1999?
SELECT "Opposing Teams" FROM table_13055 WHERE "Date" = '11/04/1999'
SELECT "Opposing Teams" FROM "table_13055" WHERE "Date" = '11/04/1999'