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:
| Game | Date | Opponent | Score | Location | Record |
| --- | --- | --- | --- | --- | --- |
| 70.0 | March 2 | Atlanta Hawks | 107–130 | Philadelphia Spectrum | 9–61 |
| 71.0 | March 4 | @ Atlanta Hawks | 130–138 | Omni Coliseum | 9–62 |
| 72.0 | March 7 | New York Knicks | 94–120 | Philadelphia Spectrum | 9–63 |
| 73.0 | March 9 | N Chicago Bulls | 84–104 | (Hershey, PA) | 9–64 |
| 74.0 | March 10 | Seattle SuperSonics | 96–106 | Philadelphia Spectrum | 9–65 |
| 75.0 | March 11 | N Golden State Warriors | 93–97 | (Pittsburgh, PA) | 9–66 |
| 76.0 | March 14 | Phoenix Suns | 114–120 | Philadelphia Spectrum | 9–67 |
| 77.0 | March 17 | Baltimore Bullets | 115–120 | Philadelphia Spectrum | 9–68 |
| 78.0 | March 18 | @ Baltimore Bullets | 118–129 | Baltimore Civic Center | 9–69 |
| 79.0 | March 20 | @ Cleveland Cavaliers | 105–131 | Cleveland Arena | 9–70 |
| 80.0 | March 21 | Cleveland Cavaliers | 109–112 | Philadelphia Spectrum | 9–71 |
| 81.0 | March 23 | Houston Rockets | 112–132 | Philadelphia Spectrum | 9–72 |
| 82.0 | March 25 | N Detroit Pistons | 96–115 | (Pittsburgh, PA) | 9–73 |
Question:
What was the date of game 81?
Answer:
March 23