How many different source system code for the cmi cross references are there?
CREATE TABLE CMI_cross_references (source_system_code VARCHAR)
SELECT COUNT(DISTINCT source_system_code) FROM CMI_cross_references
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE CMI_cross_references (source_system_code VARCHAR) Question: How many different source system code for the cmi cross references are there? [/INST] SELECT COUNT(DISTINCT source_system_code) FROM CMI_cross_references </s>