Which Krypton has a Physical property of critical pressure (atm)?
CREATE TABLE "phase_changes_and_critical_properties" (
  "physical_property" text,
  "helium" text,
  "neon" text,
  "argon" text,
  "krypton" text,
  "xenon" text
);
SELECT "krypton" FROM "phase_changes_and_critical_properties" WHERE "physical_property"='critical pressure (atm)';