Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE museum (museum_id VARCHAR, name VARCHAR, num_of_staff VARCHAR)

### Question ###
Find the id and name of the museum that has the most staff members?

### Accurate SQL ###

SELECT museum_id, name FROM museum ORDER BY num_of_staff DESC LIMIT 1