Who did he play on a hard surface?
CREATE TABLE table_name_99 (opponents VARCHAR, surface VARCHAR)
SELECT opponents FROM table_name_99 WHERE surface = "hard"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_99 (opponents VARCHAR, surface VARCHAR) Question: Who did he play on a hard surface? [/INST] SELECT opponents FROM table_name_99 WHERE surface = "hard" </s>