CREATE TABLE table_21305 ("Match Number" FLOAT, "Date" TEXT, "Venue" TEXT, "Team 1" TEXT, "Team 2" TEXT, "Result" TEXT, "Man of the Match" TEXT)

How many dates have a Match number of 5?
SELECT COUNT("Date") FROM table_21305 WHERE "Match Number" = '5'
SELECT COUNT("Date") FROM "table_21305" WHERE "Match Number" = '5'