What is Surface, when Championship is Australian Open?
CREATE TABLE table_name_49 (surface VARCHAR, championship VARCHAR)
SELECT surface FROM table_name_49 WHERE championship = "australian open"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_49 (surface VARCHAR, championship VARCHAR) Question: What is Surface, when Championship is Australian Open? [/INST] SELECT surface FROM table_name_49 WHERE championship = "australian open" </s>