SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function if (children 1)
     ExpressionList (children 3)
      Function equals (children 1)
       ExpressionList (children 2)
        Function modulo (children 1)
         ExpressionList (children 2)
          Identifier number
          Literal UInt64_3
        Literal UInt64_2
      Function tuple (children 1)
       ExpressionList (children 2)
        Identifier number
        Literal \'Hello\'
      Literal Tuple_(UInt64_0, \'World\')
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers
   Literal UInt64_10