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_2490289_1 (pc_demo VARCHAR, c64_demo VARCHAR)
### Question:
What won best pc demo when tower power (camelot) won best c64 demo?
### Answer:
SELECT pc_demo FROM table_2490289_1 WHERE c64_demo = "Tower Power (Camelot)"