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_78 (surface VARCHAR, tournament VARCHAR, score VARCHAR)
### Question:
On what surface did a score of 4–6 6–3 6–4 occur at the Tournament of Lahore?
### Answer:
SELECT surface FROM table_name_78 WHERE tournament = "lahore" AND score = "4–6 6–3 6–4"