Which right is guaranteed by the seventh amendment?

This amendment codifies the right to a jury trial in certain civil cases, and inhibits courts from overturning a jury's findings of fact.

Seventh Amendment - Civil Trials. In Suits at common law, where the value in controversy shall exceed twenty dollars, the right of trial by jury shall be preserved, and no fact tried by a jury, shall be otherwise re-examined in any Court of the United States, than according to the rules of the common law.