How many different years was the name/designation cetme?
CREATE TABLE table_26389588_1 (year_of_introduction VARCHAR, name___designation VARCHAR)
SELECT COUNT(year_of_introduction) FROM table_26389588_1 WHERE name___designation = "CETME"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26389588_1 (year_of_introduction VARCHAR, name___designation VARCHAR) Question: How many different years was the name/designation cetme? [/INST] SELECT COUNT(year_of_introduction) FROM table_26389588_1 WHERE name___designation = "CETME" </s>