SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Function argMax (alias col1) (children 1)
     ExpressionList (children 2)
      Identifier col1
      Identifier timestamp
    Function divide (alias final_col) (children 1)
     ExpressionList (children 2)
      Identifier col1
      Literal UInt64_10
    Function plus (alias final_col2) (children 1)
     ExpressionList (children 2)
      Identifier final_col
      Literal UInt64_1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier ttttttt
   ExpressionList (children 1)
    Identifier col3
