CREATE TABLE table_name_95 (fleet_number_s_ VARCHAR, class VARCHAR, quantity_preserved VARCHAR, quantity_made VARCHAR)

What is Fleet Number(s), when Quantity Preserved is '0', when Quantity Made is 1, and when Class is 'Z'?
SELECT fleet_number_s_ FROM table_name_95 WHERE quantity_preserved = "0" AND quantity_made = "1" AND class = "z"
SELECT "fleet_number_s_" FROM "table_name_95" WHERE "0" = "quantity_preserved" AND "1" = "quantity_made" AND "class" = "z"