| 2026-02-15 | Dos + cuatro |
| 2025-10-13 | Uno + dos + tres |
| 2025-07-27 | Twice tres |
| 2025-06-15 | Twice tres |
| 2025-05-09 | Number of kings en España named Felipe |
| 2023-05-14 | Uno + dos + tres |
| 2022-07-31 | Cinco + uno |
| 2021-01-03 | Solid green ball in un juego de billar |
| 2019-06-02 | Half of doce |
| 2019-05-19 | Tres y tres |
| 2017-11-15 | Dos y cuatro |
| 2015-11-22 | Six, in Seville |
| 2014-08-31 | Número of Mexican states that border the U.S. |
| 2014-07-27 | Spanish 3 + 3 |
| 2014-07-13 | Ocho - dos |
| 2014-03-12 | Six, in Seville |
| 2014-03-04 | Dos x tres |
| 2014-02-13 | Cinco follower |
| 2014-02-02 | Dos x tres |
| 2013-08-07 | Dos + dos + dos |
| 2013-02-16 | Number of strings on a Spanish guitar |
| 2012-11-03 | Spanish cardinal |
| 2012-02-12 | Cinco follower |
| 2011-10-30 | Cinco follower |
| 2011-06-30 | Uno y dos y tres |
| 2007-09-15 | Half of doce |
| 2007-08-11 | Number of wives of Enrique VIII |
| 2007-04-22 | Half of doce |
| 2002-08-07 | Tres y tres |
| 2001-08-30 | Number after cinco |
| 2000-11-18 | Evening hour, in Madrid |
| 1999-10-10 | Cinco follower |
| 1999-07-24 | Spanish half-dozen |
| 1998-11-29 | Twice tres |
| 1997-01-16 | Six, in Seville |
| 1994-01-04 | Dos + cuatro |