What is the Week when anke huber chanda rubin shows for Semi finalists, and the Runner-up is meredith mcgrath larisa savchenko?
CREATE TABLE "october" (
  "week_of" text,
  "tier" text,
  "winner" text,
  "runner_up" text,
  "semi_finalists" text
);
SELECT "week_of" FROM "october" WHERE "semi_finalists"='anke huber chanda rubin' AND "runner_up"='meredith mcgrath larisa savchenko';