Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_31 (prize VARCHAR, beer_name VARCHAR, year VARCHAR, competition VARCHAR)

### Question ###
What prize did good old boy win in 2002 at the camra london and south east regional competition?

### Accurate SQL ###

SELECT prize FROM table_name_31 WHERE year > 2002 AND competition = "camra london and south east regional competition" AND beer_name = "good old boy"