CREATE TABLE table_name_23 (started VARCHAR(255), end_source VARCHAR(255), country VARCHAR(255), loan_club VARCHAR(255))
When was the loan started when the coutry is eng, the loan club is sunderland and the end source is south wales echo?
    
SQL: SELECT started FROM table_name_23 WHERE country = "eng" AND loan_club = "sunderland" AND end_source = "south wales echo"