Which Top Speed has a Model Name of d14/4 supreme d14/4 sports & bushman?
CREATE TABLE "models" (
  "model_name" text,
  "engine" text,
  "top_speed" text,
  "no_of_gears" real,
  "electrics" text
);
SELECT "top_speed" FROM "models" WHERE "model_name"='d14/4 supreme d14/4 sports & bushman';