Who was Betty's partner when the surface is hard?
CREATE TABLE table_2820584_2 (partner VARCHAR, surface VARCHAR)
SELECT partner FROM table_2820584_2 WHERE surface = "Hard"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2820584_2 (partner VARCHAR, surface VARCHAR) Question: Who was Betty's partner when the surface is hard? [/INST] SELECT partner FROM table_2820584_2 WHERE surface = "Hard" </s>