CREATE TABLE table_21813 ("Season" CLOB, "Timeslot" CLOB, "Premiere" CLOB, "Finale" CLOB, "TV season" CLOB, "Ranking" CLOB, "Viewers  ( in millions ) " CLOB)

What is every value for viewers for ranking #51 for the Tuesday 9:00 p.m. timeslot?
SELECT "Viewers (in millions)" FROM table_21813 WHERE "Ranking" = '#51' AND "Timeslot" = 'Tuesday 9:00 p.m.'
SELECT "Viewers (in millions)" FROM "table_21813" WHERE "Ranking" = '#51' AND "Timeslot" = 'Tuesday 9:00 p.m.'