CREATE TABLE table_name_89 (date_performed VARCHAR(255), main_contestant VARCHAR(255), co_contestant__yaar_vs_pyaar_ VARCHAR(255))
What is the date of the performance by Jatin Shah and co-contestant is Shalini Chandran?
    
SQL: SELECT date_performed FROM table_name_89 WHERE main_contestant = "jatin shah" AND co_contestant__yaar_vs_pyaar_ = "shalini chandran"