CREATE TABLE table_23441 ("Episode" CLOB, "First broadcast" CLOB, "Rufus guest" CLOB, "Marcus guest" CLOB, "Winner" CLOB)

When was the episode 2x10 aired for the first time?
SELECT "First broadcast" FROM table_23441 WHERE "Episode" = '2x10'
SELECT "First broadcast" FROM "table_23441" WHERE "Episode" = '2x10'