CREATE TABLE table_name_31 (prize VARCHAR2, beer_name VARCHAR2, year VARCHAR2, competition VARCHAR2)

What prize did good old boy win in 2002 at the camra london and south east regional competition?
SELECT prize FROM table_name_31 WHERE year > 2002 AND competition = "camra london and south east regional competition" AND beer_name = "good old boy"
SELECT "prize" FROM "table_name_31" WHERE "beer_name" = "good old boy" AND "camra london and south east regional competition" = "competition" AND "year" > 2002