CREATE TABLE table_name_52 (lost VARCHAR(255), club VARCHAR(255), played VARCHAR(255), losing_bp VARCHAR(255))
What is the total number of games lost when 22 have been played, the losing BP number is 2, and the club is Merthyr RFC?
    
SQL: SELECT lost FROM table_name_52 WHERE played = "22" AND losing_bp = "2" AND club = "merthyr rfc"