What won best amiga demo when alto knallo (free electric band) won best pc demo?
CREATE TABLE table_2490289_1 (amiga_demo VARCHAR, pc_demo VARCHAR)
SELECT amiga_demo FROM table_2490289_1 WHERE pc_demo = "Alto Knallo (Free Electric Band)"
### Context: CREATE TABLE table_2490289_1 (amiga_demo VARCHAR, pc_demo VARCHAR) ### Question: What won best amiga demo when alto knallo (free electric band) won best pc demo? ### Answer: SELECT amiga_demo FROM table_2490289_1 WHERE pc_demo = "Alto Knallo (Free Electric Band)"