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