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_19312274_2 ( total VARCHAR, last_current_driver_s_ VARCHAR )

### Question ###
how many total where last/current driver(s) is narain karthikeyan ( 2010 )

### Accurate SQL ###

SELECT COUNT(total) FROM table_19312274_2 WHERE last_current_driver_s_ = "Narain Karthikeyan ( 2010 )"