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_28490105_1 (supporting VARCHAR, gt_winning_car VARCHAR)
### Question:
Who was supporting in the round when the gt winning car was dino crescentini?
### Answer:
SELECT supporting FROM table_28490105_1 WHERE gt_winning_car = "Dino Crescentini"