When £337,000 is £ saved what is the percentage of electricity reduction?
CREATE TABLE "results" (
  "year" text,
  "universities" real,
  "no_of_students_signed_up" real,
  "pct_electricity_reduction" text,
  "tonnes_of_co2_saved" real,
  "saved" text
);
SELECT "pct_electricity_reduction" FROM "results" WHERE "saved"='£337,000';