Avoid misunderstanding LLMs about the numbers value (#4724)

Avoid misunderstanding LLMs about the numbers value

agent/component/exesql.py

                     logging.info("single_sql: ", single_sql)
                     cursor.execute(single_sql)
                     if cursor.rowcount == 0:
-                        sql_res.append({"content": "\nTotal: 0\n No record in the database!"})
+                        sql_res.append({"content": "No record in the database!"})
                         break
                     if self._param.db_type == 'mssql':
                         single_res  = pd.DataFrame.from_records(cursor.fetchmany(self._param.top_n),columns = [desc[0] for desc in cursor.description])
                     else:
                         single_res = pd.DataFrame([i for i in cursor.fetchmany(self._param.top_n)])
                         single_res.columns = [i[0] for i in cursor.description]
-                    sql_res.append({"content": "\nTotal: " + str(cursor.rowcount) + "\n" + single_res.to_markdown()})
+                    sql_res.append({"content":  single_res.to_markdown()})
                     break
                 except Exception as e:
                     single_sql = self._regenerate_sql(single_sql, str(e), **kwargs)