EXECUTE in a funtion to return a VIEW object ID

Hi there,
I have tried many ideas to get this working but no luck.

Can some show me or explain what is happening

EXAMPLE
==========
I am trying to read to 2 text fields to combine them togther to form the
name of a
VIEW. example

SELECT * FROM ( 'april'||'may') ;

I have tried the EXECUTE in a function to PREPARE a dynameic select
call;

EXECUTE 'SELECT * FROM '
|| 'select tablename.text_field1 from tablename'
|| 'select tablename.text_field2 from tablename';

If tablename.text_field1 = "May" and tablename.text_field2 = "Aprl",
this function only returns "MayApril" and not the columns and data that
I expected.

What am I doing wrong here?
Has anyone done this before or have any ideas on how to do it ?

Thanks