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_60808 ( "District" text, "Incumbent" text, "Party" text, "First elected" real, "Results" text )

### Question ###
What is the average first elected for the district South Carolina 2?

### Accurate SQL ###

SELECT AVG("First elected") FROM table_60808 WHERE "District" = 'south carolina 2'