SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function argMin (children 1)
     ExpressionList (children 2)
      Identifier user_level
      Identifier user_level
    Function argMax (children 1)
     ExpressionList (children 2)
      Identifier user_level
      Identifier user_level
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_33602
