Write SQL query to solve given problem: What is the total population of the neighborhoods Avondale Gardens, Irving Park, Kilbourn Park, Merchant Park, Old Irving Park, and The Villa?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT SUM(T2.population) AS sum FROM Neighborhood AS T1 INNER JOIN Community_Area AS T2 ON T1.community_area_no = T2.community_area_no WHERE T1.neighborhood_name = 'Avondale Gardens' OR T1.neighborhood_name = 'Irving Park' OR T1.neighborhood_name = 'Kilbourn Park' OR T1.neighborhood_name = 'Merchant Park' OR T1.neighborhood_name = 'Old Irving Park' OR T1.neighborhood_name = 'The Villa'