SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function roundBankers (alias t_stat) (children 1)
     ExpressionList (children 2)
      Function tupleElement (children 1)
       ExpressionList (children 2)
        Function studentTTest (children 1)
         ExpressionList (children 2)
          Identifier left
          Identifier right
        Literal UInt64_1
      Literal UInt64_6
    Function roundBankers (alias p_value) (children 1)
     ExpressionList (children 2)
      Function tupleElement (children 1)
       ExpressionList (children 2)
        Function studentTTest (children 1)
         ExpressionList (children 2)
          Identifier left
          Identifier right
        Literal UInt64_2
      Literal UInt64_6
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier student_ttest