user: Question: What programs were held at Highland Speedway?
Columns: ['Track Name', 'Location', 'Length', 'Sanction', 'Program']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Charleston Speedway', 'Charleston, Illinois', '3/8 Mile', 'United Midwestern Promoters', 'UMP Modifieds, Super Streets, Hornets']
SQL:

assistant: SELECT "Program" FROM "Table" WHERE "Track Name" = 'Highland Speedway';