CREATE TABLE table_33890 ("Outcome" TEXT, "Date" TEXT, "Tournament" TEXT, "Surface" TEXT, "Opponent" TEXT, "Score" TEXT)

What tournament was being played on August 11, 1984?
SELECT "Tournament" FROM table_33890 WHERE "Date" = 'august 11, 1984'
SELECT "Tournament" FROM "table_33890" WHERE "Date" = 'august 11, 1984'