user: Question: What's the theme for a series of Season 3 with smaller than 148 days?
Columns: ['Series', 'Theme', 'Start', 'Finale', 'Days', 'Housemates', 'Winner', 'Prize money', 'Presenter', 'Co-presenter']
Types: ['text', 'text', 'text', 'text', 'real', 'real', 'text', 'text', 'text', 'text']
Sample row: ['Season 1', 'None.', '28 February 2000', '9 June 2000', 103.0, 13.0, 'John Milz', 'DM 250,000', 'Percy Hoven', 'Thorsten Wember & Sophie Rosentreter']
SQL:

assistant: SELECT "Theme" FROM "Table" WHERE "Days" < 148.0 AND "Series" = 'Season 3';