What is the surface on 21 june 1993?
CREATE TABLE table_name_60 (surface VARCHAR, date VARCHAR)
SELECT surface FROM table_name_60 WHERE date = "21 june 1993"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_60 (surface VARCHAR, date VARCHAR) Question: What is the surface on 21 june 1993? [/INST] SELECT surface FROM table_name_60 WHERE date = "21 june 1993" </s>