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:
| HD designation | Constellation | Distance ( ly ) | Spectral type | Signal power ( kW ) | Date sent | Arrival date |
| --- | --- | --- | --- | --- | --- | --- |
| HD197076 | Delphinus | 68.5 | G5V | 126.0 | August 29, 2001 | February 2070 |
| HD95128 | Ursa Major | 45.9 | G0V | 96.0 | September 3, 2001 | July 2047 |
| HD50692 | Gemini | 56.3 | G0V | 96.0 | September 3, 2001 | December 2057 |
| HD126053 | Virgo | 57.4 | G1V | 96.0 | September 3, 2001 | January 2059 |
| HD76151 | Hydra | 55.7 | G2V | 96.0 | September 4, 2001 | May 2057 |
Question:
If the distance is 55.7, what is the name of the constellation?
Answer:
Hydra