CREATE TABLE table_50920 ("Episode" TEXT, "Air Date" TEXT, "Timeslot" TEXT, "18-49" TEXT, "Viewers" FLOAT)

What was the timeslot for the episode with less than 6.76 viewers and an 18-49 of 1.9/5?
SELECT "Timeslot" FROM table_50920 WHERE "Viewers" < '6.76' AND "18-49" = '1.9/5'
SELECT "Timeslot" FROM "table_50920" WHERE "18-49" = '1.9/5' AND "Viewers" < '6.76'