CREATE TABLE "europe" (
  "country" text,
  "first_store" text,
  "hypermarkets" text,
  "supermarkets" text,
  "hard_discounters" text
);

Question: What country has 50 supermarkets?
SQL: SELECT "country" FROM "europe" WHERE "supermarkets"='50';

Question: What country has 370 supermarkets?
SQL: SELECT "country" FROM "europe" WHERE "supermarkets"='370';

Question: What country has a fire store of 1991 and a hard discounter of 397?
SQL: SELECT "country" FROM "europe" WHERE "first_store"='1991' AND "hard_discounters"='397';