XML/XQuery/position

Attempting to use the position function

File: Data.xml

<order>
  <car model="A">
    <id>0001</id>
    <name language="en">name 1</name>
  </car>
  <car model="B">
    <id>0002</id>
    <name language="en">name 2</name>
  </car>
  <car model="B">
    <id>0003</id>
    <name language="en">name 3</name>
  </car>
</order>

File: Query.xquery

for $prod in doc("Data.xml")//car[@model = ("B", "A")]
return <p>{$prod/position()}. {data($prod/name)}</p>
Output:
<?xml version="1.0" encoding="UTF-8"?>
<p>1. name 1</p>
<p>1. name 2</p>
<p>1. name 3</p>