CREATE TABLE "switchers_s_series" (
  "model" text,
  "specification" text,
  "build_date" text,
  "total_produced" real,
  "wheel_arrangement" text,
  "prime_mover" text,
  "power_output" text
);

Question: Name the build date for total produced of 146
SQL: SELECT "build_date" FROM "switchers_s_series" WHERE "total_produced"=146;

Question: Name the model for specification of dl-066
SQL: SELECT "model" FROM "switchers_s_series" WHERE "specification"='dl-066';

Question: Name the power output for model of s-13
SQL: SELECT "power_output" FROM "switchers_s_series" WHERE "model"='s-13';