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_78849 ( "Main contestant" text, "Co-contestant (Yaar vs. Pyaar)" text, "Date performed" text, "Scores by each individual judge" text, "Total score/week" text, "Position" text, "Status" text )

### Question ###
Who is the co-contestant (yaar vs. Pyaar) with Vishal Singh as the main contestant?

### Accurate SQL ###

SELECT "Co-contestant (Yaar vs. Pyaar)" FROM table_78849 WHERE "Main contestant" = 'vishal singh'