CREATE TABLE table_24074 ("Episode" CLOB, "Broadcast date" CLOB, "Run time" CLOB, "Viewers  ( in millions ) " CLOB, "Archive" CLOB)

On broadcast date is 28march1970, how many people tuned in?
SELECT "Viewers (in millions)" FROM table_24074 WHERE "Broadcast date" = '28March1970'
SELECT "Viewers (in millions)" FROM "table_24074" WHERE "Broadcast date" = '28March1970'