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:
| Season | RL Süd (1st) | RL Süd (2nd) | RL Südwest (1st) | RL Südwest (2nd) |
| --- | --- | --- | --- | --- |
| 1963–64 | Hessen Kassel | FC Bayern Munich | Borussia Neunkirchen | FK Pirmasens |
| 1964–65 | FC Bayern Munich | SSV Reutlingen | 1. FC Saarbrücken | Wormatia Worms |
| 1965–66 | FC Schweinfurt 05 | Kickers Offenbach | FK Pirmasens | 1. FC Saarbrücken |
| 1966–67 | Kickers Offenbach | FC Bayern Hof | Borussia Neunkirchen | 1. FC Saarbrücken |
| 1967–68 | FC Bayern Hof | Kickers Offenbach | SV Alsenborn | TuS Neuendorf |
| 1968–69 | Karlsruher SC | Freiburger FC | SV Alsenborn | TuS Neuendorf |
| 1969–70 | Kickers Offenbach | Karlsruher SC | SV Alsenborn | FK Pirmasens |
| 1970–71 | 1. FC Nuremberg | Karlsruher SC | Borussia Neunkirchen | FK Pirmasens |
| 1971–72 | Kickers Offenbach | FC Bayern Hof | Borussia Neunkirchen | SV Röchling Völklingen |
| 1972–73 | SV Darmstadt 98 | Karlsruher SC | FSV Mainz 05 | SV Röchling Völklingen |
Question:
Who was RL Süd (1st) when FK Pirmasens was RL Südwest (1st)?
Answer:
FC Schweinfurt 05