CREATE TABLE table_66859 ("Year" FLOAT, "Date" TEXT, "Title" TEXT, "Format ( s ) " TEXT, "Award description ( s ) " TEXT, "Result ( s ) " TEXT)

What are the results of Format single on March 21?
SELECT "Result(s)" FROM table_66859 WHERE "Format(s)" = 'single' AND "Date" = 'march 21'
SELECT "Result(s)" FROM "table_66859" WHERE "Date" = 'march 21' AND "Format(s)" = 'single'