Get a total count of how many answers there have been in one day in a city.
This method does not require authentication.
/api/getCityAnswers/Stockholm/2007-11-1
<emotionalcities>
<status>ok</status>
<totalanswers>1072</totalanswers>
<anonymous>456</anonymous>
</emotionalcities>
<emotionalcities>
<status>error</status>
<message>empty values</message>
</emotionalcities>
