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_98 (engine_† VARCHAR, driver VARCHAR, rounds VARCHAR, tyre VARCHAR)
### Question:
what is the engine when the rounds ar all, the tyre is m and the driver is david coulthard?
### Answer:
SELECT engine_† FROM table_name_98 WHERE rounds = "all" AND tyre = "m" AND driver = "david coulthard"