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 payment (payment_date VARCHAR, staff_id VARCHAR)
TABLE: CREATE TABLE staff (staff_id VARCHAR, first_name VARCHAR)
TABLE: CREATE TABLE payment (payment_date VARCHAR, amount INTEGER)

### Question ###
Find all the payment dates for the payments with an amount larger than 10 and the payments handled by a staff person with the first name Elsa.

### Accurate SQL ###

SELECT payment_date FROM payment WHERE amount > 10 UNION SELECT T1.payment_date FROM payment AS T1 JOIN staff AS T2 ON T1.staff_id = T2.staff_id WHERE T2.first_name = 'Elsa'