CREATE TABLE "cities_by_gdp" (
  "rank" real,
  "city" text,
  "state" text,
  "gdp_in_id_b" text,
  "population_m_luz" real,
  "gdp_per_capita_id_k" text,
  "eurozone" text
);

Question: What is the Eurozone result for Population M (LUZ) of 3.08?
SQL: SELECT "eurozone" FROM "cities_by_gdp" WHERE "population_m_luz"=3.08;

Question: What is the GDP $IDB in Istanbul?
SQL: SELECT "gdp_in_id_b" FROM "cities_by_gdp" WHERE "city"='istanbul';