CREATE TABLE table_name_33 (round VARCHAR, position VARCHAR, player VARCHAR)

What is the total number of rounds that Center position Denis Arkhipov have?
SELECT COUNT(round) FROM table_name_33 WHERE position = "center" AND player = "denis arkhipov"
SELECT COUNT("round") FROM "table_name_33" WHERE "center" = "position" AND "denis arkhipov" = "player"