What is the oldest year that the location was at Guangzhou?
CREATE TABLE table_name_1 (year INTEGER, location VARCHAR)
SELECT MIN(year) FROM table_name_1 WHERE location = "guangzhou"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_1 (year INTEGER, location VARCHAR) Question: What is the oldest year that the location was at Guangzhou? [/INST] SELECT MIN(year) FROM table_name_1 WHERE location = "guangzhou" </s>