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 |
| --- | --- | --- | --- | --- | --- |
| 57.0 | Fri. Mar. 1 | San Antonio Spurs | 108-98 | Boston Garden | 42-15 |
| 58.0 | Sun. Mar. 3 | Portland Trail Blazers | 107-116 | Boston Garden | 42-16 |
| 59.0 | Mon. Mar. 4 | Indiana Pacers | 126-101 | Hartford Civic Center | 43-16 |
| 60.0 | Wed. Mar. 6 | Miami Heat | 126-117 | Boston Garden | 44-16 |
| 61.0 | Fri. Mar. 8 | @ Los Angeles Clippers | 104-98 | L.A. Sports Arena | 45-16 |
| 62.0 | Sun. Mar. 10 | @ Portland Trail Blazers | 111-109 (OT) | Memorial Coliseum | 46-16 |
| 63.0 | Tue. Mar. 12 | @ Sacramento Kings | 110-95 | ARCO Arena | 47-16 |
| 64.0 | Wed. Mar. 13 | @ Utah Jazz | 109-112 | Salt Palace | 47-17 |
| 65.0 | Fri. Mar. 15 | @ Washington Bullets | 94-86 | Capital Centre | 48-17 |
| 66.0 | Sun. Mar. 17 | Philadelphia 76ers | 110-105 | Boston Garden | 49-17 |
| 67.0 | Tue. Mar. 19 | @ Atlanta Hawks | 92-104 | The Omni | 49-18 |
| 68.0 | Wed. Mar. 20 | Washington Bullets | 102-81 | Boston Garden | 50-18 |
| 69.0 | Fri. Mar. 22 | @ Indiana Pacers | 109-121 | Market Square Arena | 50-19 |
| 70.0 | Thu. Mar. 28 | @ Miami Heat | 88-90 | Miami Arena | 50-20 |
| 71.0 | Fri. Mar. 29 | Cleveland Cavaliers | 110-108 | Boston Garden | 51-20 |
| 72.0 | Sun. Mar. 31 | Chicago Bulls | 135-132 (2OT) | Boston Garden | 52-20 |
Question:
Where is the location with a record of 50-19?
Answer:
Market Square Arena