should be it

external/duckdb/benchmark/tpch_plan_cost/queries/q15.sql

@@ -0,0 +1,29 @@
+WITH revenue AS (
+    SELECT
+        l_suppkey AS supplier_no,
+        sum(l_extendedprice * (1 - l_discount)) AS total_revenue
+    FROM
+        lineitem
+    WHERE
+        l_shipdate >= CAST('1996-01-01' AS date)
+      AND l_shipdate < CAST('1996-04-01' AS date)
+    GROUP BY
+        supplier_no
+)
+SELECT
+    s_suppkey,
+    s_name,
+    s_address,
+    s_phone,
+    total_revenue
+FROM
+    supplier,
+    revenue
+WHERE
+    s_suppkey = supplier_no
+  AND total_revenue = (
+    SELECT
+        max(total_revenue)
+    FROM revenue)
+ORDER BY
+    s_suppkey;