Find the names and opening hours of the tourist attractions that we get to by bus or walk.
return tourist attractions ;return #1 that we get to by bus ;return #1 that we walk to ;return #2 ,  #3 ;return the  names of #4 ;return the  opening hours of #4 ;return #5 ,  #6
['select', 'filter', 'filter', 'union', 'project', 'project', 'union']