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_33 (winning_driver VARCHAR, winning_constructor VARCHAR, name VARCHAR)
### Question:
Which Winning driver has a Winning constructor of mercedes, and a Name of elgin trophy?
### Answer:
SELECT winning_driver FROM table_name_33 WHERE winning_constructor = "mercedes" AND name = "elgin trophy"