What were the  July (°C) temperatures when the July (°F) temperatures were 71/55?
CREATE TABLE "average_daily_maximum_and_minimum_temper" (
  "location" text,
  "july_c" text,
  "july_f" text,
  "january_c" text,
  "january_f" text
);
SELECT "july_c" FROM "average_daily_maximum_and_minimum_temper" WHERE "july_f"='71/55';