Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Date | Course | Distance | Type | Winner |
| --- | --- | --- | --- | --- |
| 16 May | Vatican City to Formia | km (mi) | Plain stage | Wilfried Reybrouck ( BEL ) |
| 17 May | Formia to Pompei | km (mi) | Plain stage | Patrick Sercu ( BEL ) |
| 18 May | Pompei to Sorrento | km (mi) | Stage with mountain(s) | José Manuel Fuente ( ESP ) |
| 19 May | Rest day | Rest day | Rest day | Rest day |
| 20 May | Sorrento to Sapri | km (mi) | Plain stage | Roger De Vlaeminck ( BEL ) |
| 21 May | Sapri to Taranto | km (mi) | Plain stage | Piermattia Gavazzi ( ITA ) |
| 22 May | Taranto to Foggia | km (mi) | Plain stage | Franco Bitossi ( ITA ) |
| 23 May | Foggia to Chieti | km (mi) | Plain stage | Ugo Colombo ( ITA ) |
| 24 May | Chieti to Macerata | km (mi) | Plain stage | Franco Bitossi ( ITA ) |
| 25 May | Macerata to Carpegna | km (mi) | Stage with mountain(s) | José Manuel Fuente ( ESP ) |
| 26 May | Carpegna to Modena | km (mi) | Plain stage | Patrick Sercu ( BEL ) |
| 27 May | Modena to Il Ciocco | km (mi) | Stage with mountain(s) | José Manuel Fuente ( ESP ) |
| 27 May | Il Ciocco to Forte dei Marmi | km (mi) | Plain stage | Patrick Sercu ( BEL ) |
| 28 May | Forte dei Marmi to Forte dei Marmi | km (mi) | Individual time trial | Eddy Merckx ( BEL ) |
| 29 May | Forte dei Marmi to Pietra Ligure | km (mi) | Plain stage | Enrico Paolini ( ITA ) |
| 30 May | Pietra Ligure to Sanremo | km (mi) | Stage with mountain(s) | Giuseppe Perletto ( ITA ) |
| 31 May | Sanremo to Valenza | km (mi) | Plain stage | Ercole Gualazzini ( ITA ) |
| 1 June | Rest day | Rest day | Rest day | Rest day |
| 2 June | Valenza to Monte Generoso | km (mi) | Stage with mountain(s) | José Manuel Fuente ( ESP ) |
| 3 June | Como to Iseo | km (mi) | Stage with mountain(s) | Santiago Lazcano ( ESP ) |
| 4 June | Iseo to Sella Valsugana | km (mi) | Stage with mountain(s) | Franco Bitossi ( ITA ) |
| 5 June | Borgo Valsugana to Pordenone | km (mi) | Plain stage | Enrico Paolini ( ITA ) |
| 6 June | Pordenone to Tre Cime di Lavaredo | km (mi) | Stage with mountain(s) | José Manuel Fuente ( ESP ) |
| 7 June | Misurina to Bassano del Grappa | km (mi) | Stage with mountain(s) | Eddy Merckx ( BEL ) |
| 8 June | Bassano del Grappa to Milan | km (mi) | Plain stage | Marino Basso ( ITA ) |
| 9 June | Giro di Milano | km (mi) | Plain stage | Gianni Motta ( ITA ) |
| Total | Total | km (mi) | km (mi) | km (mi) |
Question:
What type is the sorrento to sapri course with a distance of km (mi)?
Answer:
Plain stage