XPath Node Sets - XPath Predicates (2)
last() - Returns the number of nodes in a node set
position() - Returns the position of the context node
count(node-set) - Returns the number of nodes
local-name(node-set) - Returns the local name of the first node
namespace-uri(node-set) - Returns the URI of the namespace of the first node
name(node-set) - Returns the full, qualified name of the first node