SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function least (children 1)
     ExpressionList (children 3)
      Literal UInt64_4
      Identifier number
      Literal UInt64_6
    Function greatest (children 1)
     ExpressionList (children 3)
      Literal UInt64_4
      Identifier number
      Literal UInt64_6
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_10