PostgreSQLのERROR：複数の行の式

Question

SELECT 

    (SELECT vch_message 
    FROM TABLE1 
     WHERE vch_message like 'DONE%' 
    ) as Status, 
(SELECT vch_Type 
    FROM TABLE2 
     WHERE vch_Type like 'Account' 
    ) as Type 

From Table3 
where Condition 

Answer 1

として使用サブクエリによって返されないのはなぜ：

SELECT 
    Status.vch_message, 
    Type.vch_Type 
From 
    Table3, 
    (
     SELECT 
     vch_message 
     FROM 
     TABLE1 
     WHERE 
     vch_message like 'DONE%' 
    ) 
    as Status, 
    (
     SELECT 
     vch_Type 
     FROM 
     TABLE2 
     WHERE 
     vch_Type like 'Account' 
    ) 
    as Type 
WHERE 
    Condition