CREATE TABLE table_4641 ("Series" CLOB, "Theme" CLOB, "Start" CLOB, "Finale" CLOB, "Days" FLOAT, "Housemates" FLOAT, "Winner" CLOB, "Prize money" CLOB, "Presenter" CLOB, "Co-presenter" CLOB)

What's the theme for a series of season 3 with smaller than 148 days?
SELECT "Theme" FROM table_4641 WHERE "Days" < '148' AND "Series" = 'season 3'
SELECT "Theme" FROM "table_4641" WHERE "Days" < '148' AND "Series" = 'season 3'