What is the state capital where Lubin worked that is the second least populous?

The correct answer, Pierre, South Dakota, is recognized as the second least populous state capital in the United States, following Montpelier, Vermont. The status of Pierre as a city contributes to its lower population, as it houses a relatively small number of residents compared to many other state capitals.

In terms of demographic context, Montpelier, while it is actually the least populous state capital, earns its status based on its small size, but the focus here is on Pierre being the second least populous. The smaller populations of these capitals often reflect their roles, administrative functions, and geographical locations within their respective states.

Other options such as Cheyenne, Wyoming, Juneau, Alaska, and Montpelier, Vermont all have larger populations compared to Pierre, which reinforces the answer by providing a clear distinction in population size among these state capitals. Hence, Pierre's position as the second least populous state capital makes it the correct choice in this context.