Question: What is the Quantity made when class is F-7?
SQL: SELECT "Quantity made" FROM "2-18620528-6" WHERE "Class" = 'F-7';

Question: What is the Class of 1899–1900?
SQL: SELECT "Class" FROM "2-18620528-6" WHERE "Year made" = '1899–1900';

Question: What is the manufacturer with a wheel arrangement of 2-8-0, and Year made of 1883?
SQL: SELECT "Manufacturer" FROM "2-18620528-6" WHERE "Wheel arrangement" = '2-8-0' AND "Year made" = '1883';

Question: What is the quantity when the wheel arrangement is 2-8-0, and class is F-4?
SQL: SELECT "Quantity made" FROM "2-18620528-6" WHERE "Wheel arrangement" = '2-8-0' AND "Class" = 'F-4';

Question: What wheel arrangement has a fleet number(s) of 45–46?
SQL: SELECT "Wheel arrangement" FROM "2-18620528-6" WHERE "Fleet number(s)" = '45–46';

Question: What manufacturer has a year made of 1883?
SQL: SELECT "Manufacturer" FROM "2-18620528-6" WHERE "Year made" = '1883';