user: Question: What is the UK Railway with an ObjectNumber of 1975-7023?
Columns: ['Railway', 'Built', 'Wheels', 'Location', 'ObjectNumber']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['GNR', 1870.0, '4-2-2', 'Shildon', '1975-7014']
SQL:

assistant: SELECT "Railway" FROM "Table" WHERE "ObjectNumber" = '1975-7023';