In a Results with 2 fields exactly alike, how to do that only show lines that the priority column is marked as 1
id | origem | destino | daia_inicio | data_fim | valor | prioridade 01 | Galeão | Barra | 01/01/2018 | 31/12/2018 | 400,00 | 0 02 | Galeão | Barra | 10/01/2018 | 20/02/2018 | 1000,00 | 1 03 | Rio | Barra | 10/01/2018 | 20/02/2018 | 2000,00 | 0 04 | São paulo| Barra | 10/01/2018 | 20/02/2018 | 4000,00 | 0 05 | Brasilia | Barra | 10/01/2018 | 20/02/2018 | 8000,00 | 0
Expected result : (Only show line 2 because it has priority checked)
02 Galeão Barra 10/02/2018 - 20/02/2018 1000,00