What date was the match on a clay surface against Andrea Hlaváčková?
CREATE TABLE table_name_55 (date VARCHAR, surface VARCHAR, opponent VARCHAR)
SELECT date FROM table_name_55 WHERE surface = "clay" AND opponent = "andrea hlaváčková"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_55 (date VARCHAR, surface VARCHAR, opponent VARCHAR) Question: What date was the match on a clay surface against Andrea Hlaváčková? [/INST] SELECT date FROM table_name_55 WHERE surface = "clay" AND opponent = "andrea hlaváčková" </s>