SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function count (children 1)
     ExpressionList
    Function sum (children 1)
     ExpressionList (children 1)
      Identifier number
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function file (children 1)
       ExpressionList (children 1)
        Literal \'02892.orc\'
   Function indexHint (children 1)
    ExpressionList (children 1)
     Function greater (children 1)
      ExpressionList (children 2)
       Identifier sometimes_null_lc
       Literal UInt64_850
