diff --git a/7.sql b/7.sql
index 4836dd3..c12b367 100644
--- a/7.sql
+++ b/7.sql
@@ -1,4 +1,8 @@
 -- write a SQL query to find the names of schools (public or charter!) in the Cambridge school district.
 -- Keep in mind that Cambridge, the city, contains a few school districts, but DESE is interested in the
 -- district whose name is “Cambridge.”
-SELECT "name" FROM "schools" WHERE "city" = "Cambridge";
+SELECT s."name"
+FROM "schools" AS s
+JOIN "districts" AS d
+    ON s."district_id" = d."id"
+WHERE d."name" = 'Cambridge';