how many for floysvik and christer tornell is 7?
CREATE TABLE "week_7" (
  "couple" text,
  "style" text,
  "music" text,
  "trine_dehli_cleve" real,
  "tor_fl_ysvik" real,
  "karianne_gulliksen" real,
  "christer_tornell" real,
  "total" real
);
SELECT COUNT("tor_fl_ysvik") FROM "week_7" WHERE "christer_tornell"=7;