What is the number of the rank when the time is 2:15.98, in a lane larger than 7?
CREATE TABLE "semifinal_2" (
  "rank" real,
  "lane" real,
  "name" text,
  "nationality" text,
  "time" text
);
SELECT COUNT("rank") FROM "semifinal_2" WHERE "time"='2:15.98' AND "lane">7;