What is the average opened year of Mini Estadi stadium in Barcelona, Spain?
CREATE TABLE table_name_62 (opened INTEGER, city VARCHAR, stadium VARCHAR)
SELECT AVG(opened) FROM table_name_62 WHERE city = "barcelona, spain" AND stadium = "mini estadi"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_62 (opened INTEGER, city VARCHAR, stadium VARCHAR) Question: What is the average opened year of Mini Estadi stadium in Barcelona, Spain? [/INST] SELECT AVG(opened) FROM table_name_62 WHERE city = "barcelona, spain" AND stadium = "mini estadi" </s>