Using PostgreSQL$(12)$ Write a single query to list only the population in year $2010$ for the state represented by Jeff Sessions.

Output column: populate$\_2010$

$(13)$ Write a single query to report only the total number of the counties in 'Alabama'.

$(14)$ Write a single query to find the name of the state that was admitted last into the union $($with the latest date in the field admitted$\_$to$\_$union$).$