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_16 (opponent VARCHAR, surface VARCHAR, date VARCHAR)
### Question:
Who played on clay on 3 march 2012?
### Answer:
SELECT opponent FROM table_name_16 WHERE surface = "clay" AND date = "3 march 2012"