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:
| Record | Team | Season | League | Number |
| --- | --- | --- | --- | --- |
| Most wins | SpVgg Weiden | 1987-88 | Mitte | 30.0 |
| Least wins | FC Passau | 2006-07 | Mitte | 0.0 |
| Most defeats | Freier TuS Regensburg | 2011-12 | Mitte | 33.0 |
| Least defeats | SpVgg Unterhaching | 1980-81 | Süd | 1.0 |
| Least defeats | FC Amberg | 1974-75 | Mitte | 1.0 |
| Least defeats | SpVgg Weiden | 1987-88 | Mitte | 1.0 |
| Least defeats | FC Passau | 1991-92 | Mitte | 1.0 |
| Least defeats | SpVgg Plattling | 1992-93 | Mitte | 1.0 |
| Least defeats | VfL Frohnlach | 1979-80 | Nord | 1.0 |
| Least defeats | VfL Frohnlach | 2010-11 | Nord | 1.0 |
| Most goals for | SpVgg Greuther Fürth II | 2000-01 | Mitte | 122.0 |
| Most goals for | 1. FC Sand | 1999–2000 | Nord | 122.0 |
| Least goals for | FC Passau | 2006-07 | Mitte | 16.0 |
| Most goals against | SC Weismain II | 1999–2000 | Nord | 197.0 |
| Least goals against | SC 08 Bamberg | 1990-91 | Nord | 14.0 |
| Highest points (2 for a win) | SpVgg Weiden | 1987-88 | Mitte | 67.0 |
| Lowest points (2 for a win) | SpVgg Ruhmannsfelden | 1989-90 | Mitte | 7.0 |
| Lowest points (2 for a win) | TSV Staffelstein | 1969-70 | Nord | 7.0 |
| Highest points (3 for a win) | Würzburger FV | 2002-03 | Nord | 90.0 |
| Highest points (3 for a win) | Würzburger FV | 2004-05 | Nord | 90.0 |
| Highest points (3 for a win) | Würzburger FV | 2009-10 | Nord | 90.0 |
| Highest points (3 for a win) | FC Schweinfurt 05 | 2009-10 | Nord | 90.0 |
| Lowest points (3 for a win) | SC Weismain II | 1999–2000 | Nord | 6.0 |
Question:
What season has a number less than 90, Mitte as the league and spvgg ruhmannsfelden as the team?
Answer:
1989-90