What is the date of the British Rail class 111 tslrb description?
CREATE TABLE table_name_40 (date VARCHAR, description VARCHAR)
SELECT date FROM table_name_40 WHERE description = "british rail class 111 tslrb"
### Context: CREATE TABLE table_name_40 (date VARCHAR, description VARCHAR) ### Question: What is the date of the British Rail class 111 tslrb description? ### Answer: SELECT date FROM table_name_40 WHERE description = "british rail class 111 tslrb"