What type of surface did the tournament canada f9, markham have?
CREATE TABLE table_name_30 (surface VARCHAR, tournament VARCHAR)
SELECT surface FROM table_name_30 WHERE tournament = "canada f9, markham"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_30 (surface VARCHAR, tournament VARCHAR) Question: What type of surface did the tournament canada f9, markham have? [/INST] SELECT surface FROM table_name_30 WHERE tournament = "canada f9, markham" </s>