CREATE TABLE "ac_dc_ac_transmission" (
  "model" text,
  "build_year" text,
  "top_speed_in_operation_km_h" real,
  "power_output_k_w" text,
  "builder_family" text,
  "total_production" text
);

Question: What is the power output (kw) of model hxd2b?
SQL: SELECT "power_output_k_w" FROM "ac_dc_ac_transmission" WHERE "model"='hxd2b';

Question: What model has a builder of zhuzhou, and a power output of 9600 (kw)?
SQL: SELECT "model" FROM "ac_dc_ac_transmission" WHERE "builder_family"='zhuzhou' AND "power_output_k_w"='9600';

Question: What is the power output (kw) of model hxd3d?
SQL: SELECT "power_output_k_w" FROM "ac_dc_ac_transmission" WHERE "model"='hxd3d';

Question: What is the power output (kw) of builder zhuzhou, model hxd1d, with a total production of 2?
SQL: SELECT "power_output_k_w" FROM "ac_dc_ac_transmission" WHERE "total_production"='2' AND "builder_family"='zhuzhou' AND "model"='hxd1d';