How much is the lowest glucose(mmol/L) with [Na +] under 0?
CREATE TABLE "composition_of_common_crystalloid_soluti" (
  "solution" text,
  "other_name" text,
  "na_mmol_l" real,
  "cl_mmol_l" real,
  "glucose_mmol_l" real,
  "glucose_mg_dl" real
);
SELECT MIN("glucose_mmol_l") FROM "composition_of_common_crystalloid_soluti" WHERE "na_mmol_l"<0;