diff --git a/0584-find-customer-referee/0584-find-customer-referee.sql b/0584-find-customer-referee/0584-find-customer-referee.sql
new file mode 100644
index 0000000..143dcd9
--- /dev/null
+++ b/0584-find-customer-referee/0584-find-customer-referee.sql
@@ -0,0 +1,2 @@
+# Write your MySQL query statement below
+SELECT name FROM Customer WHERE NOT referee_id = 2 OR referee_id IS NULL;
\ No newline at end of file