Explain EXPLAIN (children 2)
 Set
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Function sum (children 1)
      ExpressionList (children 1)
       Identifier number
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function remote (children 1)
        ExpressionList (children 2)
         Literal \'127.0.0.{1,2,3}\'
         Function numbers (children 1)
          ExpressionList (children 1)
           Literal UInt64_5
    ExpressionList (children 1)
     Function bitAnd (children 1)
      ExpressionList (children 2)
       Identifier number
       Literal UInt64_3
