CREATE TABLE "international_achievements" (
  "year" real,
  "event" text,
  "venue" text,
  "place" text,
  "weight_class_kg" real
);

Question: What is the lowest year that has edmonton, canada as the venue with a weight class (kg) greater than 100?
SQL: SELECT MIN("year") FROM "international_achievements" WHERE "venue"='edmonton, canada' AND "weight_class_kg">100;

Question: What is the lowest weight class (kg) that has sofia, bulgaria as the venue?
SQL: SELECT MIN("weight_class_kg") FROM "international_achievements" WHERE "venue"='sofia, bulgaria';

Question: What is the highest year that has fila world championships as the event, with toledo, united states as the venue, and a weight class (kg) less than 97?
SQL: SELECT MAX("year") FROM "international_achievements" WHERE "event"='fila world championships' AND "venue"='toledo, united states' AND "weight_class_kg"<97;