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 table_name_94 (celebrity VARCHAR, entered VARCHAR, exited VARCHAR)

### Question ###
Who entered on day 1 and exited on day 20?

### Accurate SQL ###

SELECT celebrity FROM table_name_94 WHERE entered = "day 1" AND exited = "day 20"