Update sql.json

sql.json

@@ -23,6 +23,10 @@
     "question": "LK:when i getting my order?",
     "context": "CREATE TABLE orders (status VARCHAR)",
     "answer": "SELECT status from orders where customer_id=<> order by id desc limit 1"
+  },
+  {
+    "question": "LK:how many orders I have done so far?",
+    "context": "CREATE TABLE orders (status VARCHAR, customer_id INT)",
+    "answer": "SELECT count(*) from orders where customer_id=1"
   }
-
 ]