Write SQL query to solve given problem: Among the inspections done by sanitarian Joshua Rosa, how many of them have the result of "pass"?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT COUNT(T2.inspection_id) FROM employee AS T1 INNER JOIN inspection AS T2 ON T1.employee_id = T2.employee_id WHERE T2.results = 'Pass' AND T1.first_name = 'Joshua' AND T1.last_name = 'Rosa'