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_55 (grand_prix VARCHAR, motogp_winner VARCHAR, circuit VARCHAR)
### Question:
Name the grand prix for casey stoner and circuit of losail
### Answer:
SELECT grand_prix FROM table_name_55 WHERE motogp_winner = "casey stoner" AND circuit = "losail"