CREATE TABLE table_55486 ("Outcome" CLOB, "Date" CLOB, "Tournament" CLOB, "Surface" CLOB, "Opponent" CLOB, "Score" CLOB)

When was naomi cavaday the opponent?
SELECT "Date" FROM table_55486 WHERE "Opponent" = 'naomi cavaday'
SELECT "Date" FROM "table_55486" WHERE "Opponent" = 'naomi cavaday'