List of submarine topographical features

Columns: Name | Location | Depth ( meters ) | Depth ( feet ) | Depth ( miles )
8 | Puerto Rico Trench | Atlantic Ocean | 8,605 | 28,232 | 5.35 | 9 | Yap Trench | Pacific Ocean | 8,527 | 27,976 | 5.30 | 10 | South Sandwich Trench | Atlantic Ocean | 8,428 | 27,651 | 5.24 | 11 | Richards Deep | Peru-Chile Trench , Pacific Ocean | 8,065 | 26,456 | 5.01 | 12 | Diamantina Deep | Diamantina Fracture Zone , Indian Ocean | 8,047 | 26,401 | 5.00 | 13 | Romanche Trench | Atlantic Ocean | 7,760 | 25,460 | 4.82 | 14 | Cayman Trough | Caribbean Sea | 7,687 | 25,238 | 4.78

Example questions:
Which trench is the deepest topographical feature of the Southern Atlantic Ocean ? | Which submarine topographical feature is located in the sea home to the numerous islands of the West Indies ? | What is the depth in miles of the trench formed where the Australian-Capricorn plates subduct under a part of the Eurasian Plate ? | What is the depth in feet of the trench that extends from the Kuril Islands to the northern end of the Izu Islands ?

Answers:
South Sandwich Trench | Cayman Trough | 4.63 | 29,527