Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Which GSWR Class is from 1893?

### Inputs:
table_name: table, columns: ['Year', 'Type', 'Nos.', 'GSWR Class', 'GSWR Nos.', 'GSR Class', 'Inchicore Class', 'Withdrawn']

### Response:
SELECT GSWR Class FROM table WHERE Year = 1893