| 1 | A | B | C | D | E | F |
| --- | --- | --- | --- | --- | --- | --- |
| 2 | Park Avenue main line - Stations |  |  |  |  |  |
| 3 | Zone | Station | Miles (km) from GCT | Date opened | Date closed | Connections / notes |
| 4 | 1 | Grand Central TerminalHandicapped/disabled access | 0.0 (0.0) | October 6, 1871 | - | - |
| 5 | 1 | 59th Street | - | - | - | - |
| 6 | 1 | 72nd Street | - | - | - | - |
| 7 | 1 | 86th Street | 2.2 (3.54) | May 15, 1876 | c. 1901 | - |
| 8 | 1 | 110th Street | 3.43 (5.52) | May 15, 1876 | June 17, 1906 | - |
| 9 | 1 | Harlem–125th Street Handicapped/disabled access | 4.2 (6.8) | October 25, 1897 | - | - |
| 10 | Park Avenue Bridge | Park Avenue Bridge | Park Avenue Bridge | Park Avenue Bridge | Park Avenue Bridge | Park Avenue Bridge |

Question: Which Park Ave Mainline stations both opened on the same day, and what day was that?
Answer: The 110th Street, and the 86th Street stations both opened on May 15, 1876.