Bing Translate YQL Table

<?xml version="1.0" encoding="UTF-8"?>
<table xmlns="http://query.yahooapis.com/v1/schema/table.xsd">
    <meta>
        <author>Paul Donnelly (@pjdonnelly)</author>
        <description>Get your Bing translate keys here: https://datamarket.azure.com/developer/applications/</description>
        <documentationURL>http://msdn.microsoft.com/en-us/library/ff512421</documentationURL>
        <sampleQuery>select * from {table} where text="hello world" and client_id="" and client_secret=""</sampleQuery>
    </meta>
    <bindings>
        <select itemPath="" produces="XML">
            <urls>
                <url></url>
            </urls>         
            <inputs>
                <key id="text" type="xs:string" paramType="query" required="true" />
              	<key id="from" type="xs:string" paramType="query" default="en" />
              	<key id="to" type="xs:string" paramType="query" default="es" />
 
                <key id="client_id" type="xs:string" paramType="query" required="true" />
              	<key id="client_secret" type="xs:string" paramType="query" required="true" />
              	<key id="scope" type="xs:string" paramType="query" default="http://api.microsofttranslator.com" />
              	<key id="grant_type" type="xs:string" paramType="query" default="client_credentials" />
            </inputs>
            <execute>
                <![CDATA[
              		var params = "client_id="+client_id+"&client_secret="+client_secret+"&scope="+scope+"&grant_type="+grant_type;
              		y.log(params);
 
              		var resp = y.rest("https://datamarket.accesscontrol.windows.net/v2/OAuth2-13/").accept('application/json').contentType("application/x-www-form-urlencoded").post(params).response;
              		var MSTranslate = y.rest("http://api.microsofttranslator.com/v2/Http.svc/Translate?text="+text+"&from="+from+"&to="+to).header("Authorization","Bearer " +resp.access_token).get().response;
 
              		response.object = MSTranslate;
                ]]>
            </execute>
        </select>
     </bindings>
</table>