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_63 (rounds VARCHAR, driver VARCHAR, engine VARCHAR)
### Question:
Which rounds did Vic Elford with a Ford cosworth dfv 3.0 v8 engine have?
### Answer:
SELECT rounds FROM table_name_63 WHERE driver = "vic elford" AND engine = "ford cosworth dfv 3.0 v8"