user: Question: Who is the co-contestant (yaar vs. Pyaar) with Vishal Singh as the main contestant?
Columns: ['Main contestant', 'Co-contestant (Yaar vs. Pyaar)', 'Date performed', 'Scores by each individual judge', 'Total score/week', 'Position', 'Status']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Hiten Tejwani', 'Gauri Pradhan', 'July 24', '5 + 5 + 5 = 15', '37/60', 'Bottom 2', 'Eliminated']
SQL:

assistant: SELECT "Co-contestant (Yaar vs. Pyaar)" FROM "Table" WHERE "Main contestant" = 'Vishal Singh';