Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_57 (opponents VARCHAR, surface VARCHAR, partner VARCHAR)
### Question:
What is the Opponents on a clay surface with christophe rochus as partner?
### Answer:
SELECT opponents FROM table_name_57 WHERE surface = "clay" AND partner = "christophe rochus"