What was the surface during wimbledon in 1974?
CREATE TABLE table_23258574_2 (surface VARCHAR, championship VARCHAR, year VARCHAR)
SELECT surface FROM table_23258574_2 WHERE championship = "Wimbledon" AND year = 1974
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23258574_2 (surface VARCHAR, championship VARCHAR, year VARCHAR) Question: What was the surface during wimbledon in 1974? [/INST] SELECT surface FROM table_23258574_2 WHERE championship = "Wimbledon" AND year = 1974 </s>