Complete the following questions $($The SQL statements are required in the following questions. Students also required to run the code $($e$.$g$.,$ SQL statements$)$ in the database PostgresSQL$).$ To provide more convenience for testing the code, students can save their code in a $.$sql file $($Students can also paste the screenshot of the results to the document$).$

$(1)$ Write the SQL statement to create the database politics in PostgreSQL.

$(2)$ Write the SQL statement and create the table states in database politics.

$(3)$ Write the SQL statement and create the table counties in database politics.

$(4)$ Write the SQL statement and create the table senators in database politics.

$(5)$ Write the SQL statement and create the table committees in database politics.