What is the date for the Operational Livery?
CREATE TABLE table_name_51 (date VARCHAR, livery VARCHAR)
SELECT date FROM table_name_51 WHERE livery = "operational"
### Context: CREATE TABLE table_name_51 (date VARCHAR, livery VARCHAR) ### Question: What is the date for the Operational Livery? ### Answer: SELECT date FROM table_name_51 WHERE livery = "operational"