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_1342370_42 (first_elected VARCHAR, result VARCHAR, incumbent VARCHAR)

### Question ###
How many of the first elected were listed when Hatton W. Sumners was incumbent and re-elected?

### Accurate SQL ###

SELECT COUNT(first_elected) FROM table_1342370_42 WHERE result = "Re-elected" AND incumbent = "Hatton W. Sumners"