Name the world capitals that have a continental climate as defined under the Köppen classification system.
Under the Köppen system, a continental climate is one that is not arid or semi-arid, the mean temperature in the coldest month is less than 0°C (32°F), and at least one month has a mean temperature of at least 10°C (50°F).
For a detailed explanation of the Köppen system, see here.
Capitals are as defined in Jetpunk's World Capitals Quiz.