user: Question: What position is there when the main contestant is Vishal Singh and the scores are 1 + 7 + 5 = 13?
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: ['Kashmira Shah', 'Mukul Dev', 'July 30', '8 + 9 + 10 = 27', '56/60', 'Top 2', 'Current']
SQL:

assistant: SELECT "Position" FROM "Table" WHERE "Main contestant" = 'Vishal Singh' AND "Scores by each individual judge" = '1 + 7 + 5 = 13';