Which Surface has a Tournament of olbia?
CREATE TABLE table_name_62 (surface VARCHAR, tournament VARCHAR)
SELECT surface FROM table_name_62 WHERE tournament = "olbia"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_62 (surface VARCHAR, tournament VARCHAR) Question: Which Surface has a Tournament of olbia? [/INST] SELECT surface FROM table_name_62 WHERE tournament = "olbia" </s>