What is the number of blank ends when the stolen ends were 17 and Jennifer Jones was skipped with a more than 83 shot pct?
CREATE TABLE "standings" (
  "locale" text,
  "skip" text,
  "ends_won" real,
  "ends_lost" real,
  "blank_ends" real,
  "stolen_ends" real,
  "shot_pct" real
);
SELECT COUNT("blank_ends") FROM "standings" WHERE "stolen_ends"=17 AND "skip"='jennifer jones' AND "shot_pct">83;