Caml LookupId and LookupValue

I need to get the LookupId value and the lookup text value by CAML.

With this query I get the ID but I can not get the value text anymore.

<ViewFields>
    <FieldRef Name="Title" />
    <FieldRef Name="MyLookUP" LookupId="true"/>
    <FieldRef Name="MyLookUP" />
  </ViewFields>

In MyLookUP I have always the ID of the lookup, I wish the value and the ID