how can i return multiple values from a function

i have tried retrieving multiple values using setof function but i
couldnt solve it.when i am trying using setof iam getting this as
output.
     1 CREATE FUNCTION hobbies (varchar) RETURNS SETOF bank     2     AS 'SELECT * FROM bank     3          '     4
LANGUAGE'sql';
 


~
output:  
select hobbies('srinivas') as col;   col    
-----------137462096137462096
(2 rows)

please let me know what is the alternative and if possible with a sample
piece of code.

cheers
chowdary.