Write SQL query to solve given problem: Give the social security number of the female Irish patient allergic to grass pollen.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T2.ssn FROM allergies AS T1 INNER JOIN patients AS T2 ON T1.PATIENT = T2.patient WHERE T1.DESCRIPTION = 'Allergy to grass pollen' AND T2.ethnicity = 'irish' AND T2.gender = 'F'