CREATE TABLE table_name_40 (_inns VARCHAR2, player VARCHAR2, wickets VARCHAR2)

How many 5+/inns have tyron henderson as the player, with wickets less than 21?
SELECT COUNT(5) + _inns FROM table_name_40 WHERE player = "tyron henderson" AND wickets < 21
SELECT COUNT(5) + "_inns" FROM "table_name_40" WHERE "player" = "tyron henderson" AND "wickets" < 21