query: SELECT DISTINCT source_system_code FROM cmi_cross_references WHERE source_system_code LIKE '%en%'
question: Which are distincting source system code is including the substring 'en'?
query_toks: SELECT DISTINCT source_system_code FROM cmi_cross_references WHERE source_system_code LIKE ' % en % '
query_toks_no_value: select distinct source_system_code from cmi_cross_references where source_system_code like value
question_toks: Which are distincting source system code is including the substring 'en'?