What is the lowest quantity of the 1b n2 type, which was retired in 1907-12?
CREATE TABLE table_name_50 (quantity INTEGER, type VARCHAR, retired VARCHAR)
SELECT MIN(quantity) FROM table_name_50 WHERE type = "1b n2" AND retired = "1907-12"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_50 (quantity INTEGER, type VARCHAR, retired VARCHAR) Question: What is the lowest quantity of the 1b n2 type, which was retired in 1907-12? [/INST] SELECT MIN(quantity) FROM table_name_50 WHERE type = "1b n2" AND retired = "1907-12" </s>