Question: What class is associated with a W.A. of 0-8-0?
SQL: SELECT "Class" FROM "2-1169568-7" WHERE "W.A." = '0-8-0';

Question: What WA has a LNER Class of N13 and 10?
SQL: SELECT "W.A." FROM "2-1169568-7" WHERE "Quantity" = 10.0 AND "LNER Class" = 'N13';