What was the venue when David Jacobs was the host?
CREATE TABLE table_name_30 (venue VARCHAR, semi_final_heat_host VARCHAR)
SELECT venue FROM table_name_30 WHERE semi_final_heat_host = "david jacobs"
### Context: CREATE TABLE table_name_30 (venue VARCHAR, semi_final_heat_host VARCHAR) ### Question: What was the venue when David Jacobs was the host? ### Answer: SELECT venue FROM table_name_30 WHERE semi_final_heat_host = "david jacobs"