CREATE TABLE table_16651 ("#" FLOAT, "Episode" TEXT, "Air Date" TEXT, "Rating" TEXT, "Share" FLOAT, "Rating/Share 18\\u201349" TEXT, "Viewers  ( m ) " TEXT, "Timeslot Rank" FLOAT, "Night Rank" TEXT, "Overall Rank" FLOAT)

what's the viewers (m) with episode of 'legacy
SELECT "Viewers (m)" FROM table_16651 WHERE "Episode" = 'Legacy'
SELECT "Viewers (m)" FROM "table_16651" WHERE "Episode" = 'Legacy'