How many years have runner-up as the outcome, and indian wells as the championship?
CREATE TABLE "singles_7_2_5" (
  "outcome" text,
  "year" real,
  "championship" text,
  "surface" text,
  "opponent" text,
  "score" text
);
SELECT SUM("year") FROM "singles_7_2_5" WHERE "outcome"='runner-up' AND "championship"='indian wells';