Question: What owner or owners have an Operational description?
SQL: SELECT "Owner(s)" FROM "2-11913905-4" WHERE "Description" = 'Operational';

Question: What is the date for the Operational Livery?
SQL: SELECT "Date" FROM "2-11913905-4" WHERE "Livery" = 'Operational';

Question: What is the date listed for the item that has Undergoing overhaul, restoration or repairs listed under description?
SQL: SELECT "Date" FROM "2-11913905-4" WHERE "Description" = 'Undergoing overhaul, restoration or repairs';