CREATE TABLE postseason (team_id_winner VARCHAR, year VARCHAR)
CREATE TABLE team (name VARCHAR, team_id_br VARCHAR)

What are the name and id of the team with the most victories in 2008 postseason?
SELECT T2.name, T1.team_id_winner FROM postseason AS T1 JOIN team AS T2 ON T1.team_id_winner = T2.team_id_br WHERE T1.year = 2008 GROUP BY T1.team_id_winner ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T2"."name", "T1"."team_id_winner" FROM "postseason" AS "T1" JOIN "team" AS "T2" ON "T1"."team_id_winner" = "T2"."team_id_br" WHERE "T1"."year" = 2008 GROUP BY "T1"."team_id_winner" ORDER BY COUNT(*) DESC NULLS LAST LIMIT 1