user: Question: Which GSWR Class is from 1893?
Columns: ['Year', 'Type', 'Nos.', 'GSWR Class', 'GSWR Nos.', 'GSR Class', 'Inchicore Class', 'Withdrawn']
Types: ['text', 'text', 'text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['1888–93', '0-6-0', 'WLR 5 to 7', 224.0, '224 to 226', '—', '—', '1905–1909']
SQL:

assistant: SELECT "GSWR Class" FROM "Table" WHERE "Year" = '1893';