CREATE TABLE "the_six_s_ultra_prominent_summit_of_the_" (
  "rank" real,
  "peak" text,
  "country" text,
  "island" text,
  "elevation_m" real,
  "col_m" real
);

Question: What is the rank when the col is larger than 0?
SQL: SELECT COUNT("rank") FROM "the_six_s_ultra_prominent_summit_of_the_" WHERE "col_m">0;

Question: What is the rank when the elevation is 1,628, and Col (m) is larger than 0?
SQL: SELECT COUNT("rank") FROM "the_six_s_ultra_prominent_summit_of_the_" WHERE "elevation_m"='1,628' AND "col_m">0;

Question: What is the elevation of Vanuatu, when the rank is smaller than 3?
SQL: SELECT AVG("elevation_m") FROM "the_six_s_ultra_prominent_summit_of_the_" WHERE "country"='vanuatu' AND "rank"<3;