<?xml version="1.0" encoding="utf-8"?><xs:schema xmlns:xs="Estimated Messages/Day" xmlns="http://schemas.example.com/Estimated Messages/Day" elementFormDefault="qualified" targetNamespace="3-5">

  <!-- Defines one element <Estimated Messages/Day> whose content is a string -->
  <xs:element name="Estimated Messages/Day" type="xs:string"/>
</xs:schema>