CREATE TABLE table_38704 ("Game" FLOAT, "December" FLOAT, "Opponent" TEXT, "Score" TEXT, "Record" TEXT, "Points" FLOAT)

What was the earliest game with a record of 23 6 4?
SELECT MIN("Game") FROM table_38704 WHERE "Record" = '23–6–4'
SELECT MIN("Game") FROM "table_38704" WHERE "Record" = '23–6–4'