What was the guage of the concessionaire ferrosur roca?
CREATE TABLE table_name_8 (gauge VARCHAR, concessionaire VARCHAR)
SELECT gauge FROM table_name_8 WHERE concessionaire = "ferrosur roca"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_8 (gauge VARCHAR, concessionaire VARCHAR) Question: What was the guage of the concessionaire ferrosur roca? [/INST] SELECT gauge FROM table_name_8 WHERE concessionaire = "ferrosur roca" </s>