CREATE TABLE table_20864 ("Player" TEXT, "No." FLOAT, "Nationality" TEXT, "Position" TEXT, "Years for Grizzlies" TEXT, "School/Club Team" TEXT)

How many athletes play the position of guard?
SELECT COUNT("Player") FROM table_20864 WHERE "Position" = 'Guard'
SELECT COUNT("Player") FROM "table_20864" WHERE "Position" = 'Guard'