WHAT IS THE SOURCE WITH A TYPE OF TRANSFER AND MEX?
CREATE TABLE table_name_14 (source VARCHAR, type VARCHAR, nat VARCHAR)
SELECT source FROM table_name_14 WHERE type = "transfer" AND nat = "mex"
### Context: CREATE TABLE table_name_14 (source VARCHAR, type VARCHAR, nat VARCHAR) ### Question: WHAT IS THE SOURCE WITH A TYPE OF TRANSFER AND MEX? ### Answer: SELECT source FROM table_name_14 WHERE type = "transfer" AND nat = "mex"