任何人都可以帮助我如何xquery这个。路径非常混乱。我尝试查询它但结果为null。我使用了所有可能的路径来遍历它，但每次我到达空输出时。
<package>
<continent id="f0_119" name="Europe"/>
<continent id="f0_123" name="Asia"/>
<continent id="f0_126" name="America"/>
<continent id="f0_129" name="Australia/Oceania"/>
<continent id="f0_132" name="Africa"/>
<country id="f0_492" name="India" capital="f0_1687" population="952107712" datacode="IN" total_area="3287590" population_growth="1.64" infant_mortality="71.1" gdp_total="1408700" inflation="9" indep_date="15 08 1947" government="federal republic" car_code="IND">
<name>India</name>
<city id="f0_8888" country="f0_492">
<name>Pimpri Chinchwad</name>
<population year="91">517083</population>
</city>
<province id="f0_18505" name="Andhra Pradesh" country="f0_492" capital="f0_8626" population="66508008" area="275045">
<city id="f0_8626" country="f0_492" province="f0_18505" longitude="78.2" latitude="17.1">
<name>Hyderabad</name>
<population year="91">3145939</population>
</city>
<city id="f0_8791" country="f0_492" province="f0_18505">
<name>Vishakhapatnam</name>
<population year="91">752037</population>
</city>
<city id="f0_8801" country="f0_492" province="f0_18505">
<name>Vijayawada</name>
<population year="91">701827</population>
</city>
<city id="f0_8913" country="f0_492" province="f0_18505">
<name>Guntur</name>
<population year="91">471051</population>
</city>
<city id="f0_8928" country="f0_492" province="f0_18505">
<name>Warangal</name>
<population year="91">447653</population>
</city>
<city id="f0_9023" country="f0_492" province="f0_18505">
<name>Rajahmundry</name>
<population year="91">324881</population>
</city>
</province>
<religions percentage="80">Hindu</religions>
<religions percentage="2">Sikh</religions>
<religions percentage="0.5">Jains</religions>
<languages percentage="30">Hindi</languages>
</country>
</package>