CREATE TABLE table_5934 ("Date" TEXT, "Tournament" TEXT, "Location" TEXT, "Winner" TEXT, "Score" TEXT, "1st prize  (  $  ) " FLOAT)

What is the date of the Los Angeles open?
SELECT "Date" FROM table_5934 WHERE "Tournament" = 'los angeles open'
SELECT "Date" FROM "table_5934" WHERE "Tournament" = 'los angeles open'