Question: Which Works number has a Builder of Canadian Engine & Machinery Company, and a Number smaller than 3?
SQL: SELECT "Works number" FROM "2-15339242-1" WHERE "Builder" = 'Canadian Engine & Machinery Company' AND "Number" < 3.0;

Question: Which Works number has a Builder of Avonside Engine Company, and a Type of 4-6-0, and a Number smaller than 12, and a Date of December 1871?
SQL: SELECT "Works number" FROM "2-15339242-1" WHERE "Builder" = 'Avonside Engine Company' AND "Type" = '4-6-0' AND "Number" < 12.0 AND "Date" = 'December 1871';

Question: Which Type has a Builder of Avonside Engine Company, and a Number of 9?
SQL: SELECT "Type" FROM "2-15339242-1" WHERE "Builder" = 'Avonside Engine Company' AND "Number" = 9.0;

Question: Which Date has a Type of 4-6-0, and a Number larger than 11?
SQL: SELECT "Date" FROM "2-15339242-1" WHERE "Type" = '4-6-0' AND "Number" > 11.0;

Question: Which Builder has a Date of early 1871?
SQL: SELECT "Builder" FROM "2-15339242-1" WHERE "Date" = 'early 1871';