user: Question: What is the LNER class with an M 1914 NER class?
Columns: ['Original NER class', '1914 NER class', 'LNER Class', 'Cylinders', 'Driving wheels']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['M1', 'M', 'D17/1', '(2) 19″ x 26″', '7′ 1¼″']
SQL:

assistant: SELECT "LNER Class" FROM "Table" WHERE "1914 NER class" = 'M';