Which railway number has 3 quantity?
CREATE TABLE table_name_19 (railway_number_s_ VARCHAR, quantity VARCHAR)
SELECT railway_number_s_ FROM table_name_19 WHERE quantity = 3
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_19 (railway_number_s_ VARCHAR, quantity VARCHAR) Question: Which railway number has 3 quantity? [/INST] SELECT railway_number_s_ FROM table_name_19 WHERE quantity = 3 </s>