What the source says
Joaquín Martínez Salmerón appears in the 2023 elected-members workbook.
The source associates this elected result with Murcia and the candidature label PARTIDO SOCIALISTA OBRERO ESPAÑOL (PSOE).
Joaquín Martínez Salmerón is named as elected for Murcia in Spain's official 2023 Congress elected-result workbook under PSOE. This is a historical result record, not a current-tenure claim.
The source associates this elected result with Murcia and the candidature label PARTIDO SOCIALISTA OBRERO ESPAÑOL (PSOE).