Look at the following flights table:
| flight_number | departure | destination |
|---|---|---|
| 4567 | London | Los-Angeles |
| 3452 | Brussels | Liverpool |
| 942 | Munich | Manchester |
| 4080 | Lyon | Lisbon |
| 1177 | Moscow | Riga |
Type how many cells will be changed by the following query:
UPDATE flights SET departure = 'London', destination = 'Paris';