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_28948937_3 (partner VARCHAR, outcome VARCHAR, surface VARCHAR)
### Question:
What is the name of the partner that has a winner outcome and a hard surface?
### Answer:
SELECT partner FROM table_28948937_3 WHERE outcome = "Winner" AND surface = "Hard"