CREATE TABLE table_48776 ("Title" TEXT, "Season" FLOAT, "Director" TEXT, "Teleplay" TEXT, "First Broadcast" TEXT)

What is Title, when Season is less than 1.8, and when First Broadcast is March 6, 1981?
SELECT "Title" FROM table_48776 WHERE "Season" < '1.8' AND "First Broadcast" = 'march 6, 1981'
SELECT "Title" FROM "table_48776" WHERE "First Broadcast" = 'march 6, 1981' AND "Season" < '1.8'