Question: What are the works numbers where the year is 1929 and the driver diameter is 60"/1520mm? 
SQL: SELECT "Works No." FROM "1-29753553-1" WHERE "Year" = 1929.0 AND "Driver Diameter" = '60"/1520mm';

Question: For what year is the SAR no. 874?
SQL: SELECT "Year" FROM "1-29753553-1" WHERE "SAR No." = 874.0;