Write SQL query to solve given problem: Tell the number of surveys that contained the question “What country do you work in?”.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(DISTINCT T1.QuestionID) FROM Answer AS T1 INNER JOIN Question AS T2 ON T1.QuestionID = T2.questionid INNER JOIN Survey AS T3 ON T1.SurveyID = T3.SurveyID WHERE T2.questiontext = 'What country do you work in?'