Table: southern_locomotives_6
Columns: class
wheel_arrangement
fleet_number_s
manufacturer
year_made
quantity_made
quantity_preserved
year_s_withdrawn

Question: What is the class of the locomotive with an Eastleigh Works manufacturer, made in 1914, and withdrawn in 1959?
SQL: SELECT "class" FROM southern_locomotives_6 WHERE "manufacturer" = 'eastleigh works' AND "year_made" = '1914' AND "year_s_withdrawn" = '1959'

Question: What is the class of the locomotive with a wheel arrangement of 4-6-0 and a quantity made of 14?
SQL: SELECT "class" FROM southern_locomotives_6 WHERE "wheel_arrangement" = '4-6-0' AND "quantity_made" = '14'

Question: What is the fleet number of the locomotive with 1 quantity made?
SQL: SELECT "fleet_number_s" FROM southern_locomotives_6 WHERE "quantity_made" = '1'