Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.

The Ghost Dance War was an armed conflict in the United States between the Lakota Sioux and the United States government from 1890 until 1891.
What year did Ghost Dance War start?

The United States Exploring Expedition was an exploring and surveying expedition of the Pacific Ocean and surrounding lands conducted by the United States from 1838 to 1842.
On what date did United States Exploring Expedition end?

Lene Alexandra ien (born October 29, 1981 in Trgstad, Norway) is a Norwegian singer, television personality and model.

What is the name of the city Lene Alexandra was born in?