Update examples.json

examples.json

@@ -14,4 +14,7 @@
     {"query": "How many tracks exist?"},
     {"query": "Show document named T_3_020322_1.pdf"},
     {"query": "Fetch the entities of type era:VehicleType and their labels, skipping the first five results."}
+
+    {"query": "What is the sum of the length of all the sections of line in spain?"}
+    {"query": "Count the number of tracks per Section of line and return only the ones with more than 5"}
 ]