Table: southern_locomotives
Columns: class
wheel_arrangement
manufacturer
year_made
quantity_made
year_s_withdrawn

Question: How many CLASS P14 trains were made?
SQL: SELECT "quantity_made" FROM southern_locomotives WHERE "class" = 'p14'

Question: In what year(s) were the CLASS T14 trains withdrawn from service?
SQL: SELECT "year_s_withdrawn" FROM southern_locomotives WHERE "class" = 't14'

Question: What year was the 4-6-0 Wheel model train from 1908 withdrawn?
SQL: SELECT "year_s_withdrawn" FROM southern_locomotives WHERE "wheel_arrangement" = '4-6-0' AND "year_made" = '1908'