Write SQL query to solve given problem: Name the neighborhood of the community area in crime with report number 23843?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T3.neighborhood_name FROM Community_Area AS T1 INNER JOIN Crime AS T2 ON T1.community_area_no = T2.community_area_no INNER JOIN Neighborhood AS T3 ON T2.community_area_no = T3.community_area_no WHERE T2.report_no = 23778