CREATE TABLE table_16980 ("Total No." FLOAT, "Celebrity" CLOB, "Director" CLOB, "Original air date" CLOB, "Viewers" CLOB)

Which viewers had Matt Gallagher as the director?
SELECT "Viewers" FROM table_16980 WHERE "Director" = 'Matt Gallagher'
SELECT "Viewers" FROM "table_16980" WHERE "Director" = 'Matt Gallagher'