What is the average number of bronze medals associated with 0 silver, 1 total, and ranks over 16?
CREATE TABLE "medal_table" (
  "rank" real,
  "nation" text,
  "gold" real,
  "silver" real,
  "bronze" real,
  "total" real
);
SELECT AVG("bronze") FROM "medal_table" WHERE "total"=1 AND "silver"=0 AND "rank">16;