CREATE TABLE table_4564 ("Year" FLOAT, "Network" TEXT, "Play-by-play" TEXT, "Color commentator ( s ) " TEXT, "Sideline reporter ( s ) " TEXT)

Who were the collor commentator(s) for ESPN before 2012?
SELECT "Color commentator(s)" FROM table_4564 WHERE "Year" < '2012' AND "Network" = 'espn'
SELECT "Color commentator(s)" FROM "table_4564" WHERE "Network" = 'espn' AND "Year" < '2012'