CREATE TABLE table_78852 ("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)

What is Tina Sachdev's position?
SELECT "Position" FROM table_78852 WHERE "Co-contestant (Yaar vs. Pyaar)" = 'tina sachdev'
SELECT "Position" FROM "table_78852" WHERE "Co-contestant (Yaar vs. Pyaar)" = 'tina sachdev'