Table: locomotive_list_3
Columns: number_name
description
livery
owner_s
date

Question: What owner or owners have an operational description?
SQL: SELECT "owner_s" FROM locomotive_list_3 WHERE "description" = 'operational'

Question: What is the date for the Operational Livery?
SQL: SELECT "date" FROM locomotive_list_3 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 locomotive_list_3 WHERE "description" = 'undergoing overhaul, restoration or repairs'