How do you write this query?

I have a table

Table "test"
Column | Type | Modifiers
--------+------------------------+----------
data | integer | not null
data1 | character varying(128) | not null
data2 | character varying(128) | not null

(Note: data is NOT the primary key.)

And
select * from test
returns

data | data1 | data2
------+-------+-------
1 | foo | bar
2 | greg | bar
3 | pooh | bar
4 | dah | peng

I need a query that returns me the "data1" that satisfies the logic of
the following pseudo code:

1: select data2 into @out from test where data1 = 'pooh'
2: select data1 from test where data2 = @out and data = 3

What do I do?

Thanks!

--
Wei Weng
Network Software Engineer
KenCast Inc.