Which City has Seasons in league of 17, and a Club of shakhter?
CREATE TABLE "participating_teams" (
  "pos_in_2007" text,
  "club" text,
  "city" text,
  "best_position" text,
  "seasons_in_league" real
);
SELECT "city" FROM "participating_teams" WHERE "seasons_in_league"=17 AND "club"='shakhter';