CREATE TABLE table_2197 ("Episode" CLOB, "First broadcast" CLOB, "Rufus guest" CLOB, "Marcus guest" CLOB, "Winner" CLOB)

What is the first broadcast date for episode 3x10?
SELECT "First broadcast" FROM table_2197 WHERE "Episode" = '3x10'
SELECT "First broadcast" FROM "table_2197" WHERE "Episode" = '3x10'