CREATE TABLE table_6852 ("Season" TEXT, "Team" TEXT, "Conference  ( Conf. ) " TEXT, "Division  ( Div. ) " TEXT, "Win%" TEXT, "Awards" TEXT)

What conference is the 1973-74 team in the Atlantic Division (Div.)?
SELECT "Conference (Conf.)" FROM table_6852 WHERE "Division (Div.)" = 'atlantic' AND "Team" = '1973-74'
SELECT "Conference (Conf.)" FROM "table_6852" WHERE "Division (Div.)" = 'atlantic' AND "Team" = '1973-74'