QR 3579 then QS 1059 at Barcelona
Seville → Barcelona → Prague
Timetable, Barcelona time
15:50QR 3579 from Seville at the gate
14:55QS 1059 to Prague leaves the gatealso EW 3043
23 h 05 apart on the timetable, overnight
QS 1059 leaves 23 h 05 after QR 3579 arrives on the timetable: more than half a day, so not a connection we count.