CREATE TABLE table_79416 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Loss" TEXT, "Attendance" FLOAT, "Series" TEXT, "Arena" TEXT)

What was the attendance on may 21?
SELECT MAX("Attendance") FROM table_79416 WHERE "Date" = 'may 21'
SELECT MAX("Attendance") FROM "table_79416" WHERE "Date" = 'may 21'