Which surface had a partner of Sandrine Testud on November 14, 1999?
CREATE TABLE table_name_93 (surface VARCHAR, partner VARCHAR, date VARCHAR)
SELECT surface FROM table_name_93 WHERE partner = "sandrine testud" AND date = "november 14, 1999"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_93 (surface VARCHAR, partner VARCHAR, date VARCHAR) Question: Which surface had a partner of Sandrine Testud on November 14, 1999? [/INST] SELECT surface FROM table_name_93 WHERE partner = "sandrine testud" AND date = "november 14, 1999" </s>