what is the 2nd highest mountain in england that is in north wales?
return england ;return mountains of #1 ;return #2 in  north wales ;return height of #3 ;return #3 where  #4 is highest ;return #3 besides  #5 ;return height of #6 ;return #6 where  #7 is highest
['select', 'project', 'filter', 'project', 'superlative', 'discard', 'project', 'superlative']