How many years of introduction does the Neal Submachine Gun have?
CREATE TABLE table_29474407_11 (year_of_intro VARCHAR, name__designation VARCHAR)
SELECT COUNT(year_of_intro) FROM table_29474407_11 WHERE name__designation = "Neal submachine gun"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29474407_11 (year_of_intro VARCHAR, name__designation VARCHAR) Question: How many years of introduction does the Neal Submachine Gun have? [/INST] SELECT COUNT(year_of_intro) FROM table_29474407_11 WHERE name__designation = "Neal submachine gun" </s>