What surface did Ruxandra Dragomir play on?
CREATE TABLE table_name_13 (surface VARCHAR, partner VARCHAR)
SELECT surface FROM table_name_13 WHERE partner = "ruxandra dragomir"
### Context: CREATE TABLE table_name_13 (surface VARCHAR, partner VARCHAR) ### Question: What surface did Ruxandra Dragomir play on? ### Answer: SELECT surface FROM table_name_13 WHERE partner = "ruxandra dragomir"