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_18278508_4 (main_contestant VARCHAR, position VARCHAR, co_contestant__yaar_vs_pyaar_ VARCHAR)

### Question ###
Name the total number of main contestants for safe position for tina parekh

### Accurate SQL ###

SELECT COUNT(main_contestant) FROM table_18278508_4 WHERE position = "Safe" AND co_contestant__yaar_vs_pyaar_ = "Tina Parekh"