diff --git a/sql/s15/q08.sql b/sql/s15/q08.sql
new file mode 100644
index 0000000000000000000000000000000000000000..7917ad181badd2495ba4f4a11d8356a0cc3693c7
--- /dev/null
+++ b/sql/s15/q08.sql
@@ -0,0 +1 @@
+select count(*) from Source where flux_sinc between 1 and 2;