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"
### Context: CREATE TABLE table_2820584_2 (partner VARCHAR, surface VARCHAR) ### Question: Who was Betty's partner when the surface is hard? ### Answer: SELECT partner FROM table_2820584_2 WHERE surface = "Hard"