CREATE TABLE "list_of_communes" (
  "map_key" real,
  "commune" text,
  "canton" text,
  "district" text,
  "population" real
);

Question: what is the minimum population with canton being redange
SQL: SELECT MIN("population") FROM "list_of_communes" WHERE "canton"='Redange';

Question:  how many canton with commune being waldbillig
SQL: SELECT COUNT("canton") FROM "list_of_communes" WHERE "commune"='Waldbillig';