Write SQL query to solve given problem: Who is the employee in “New York City” with a good performance? Give the social security number of the employee.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.firstname, T1.lastname, T1.ssn FROM employee AS T1  INNER JOIN location AS T2  ON T1.locationID = T2.locationID WHERE T2.locationcity = 'New York City' AND T1.performance = 'Good'