CREATE TABLE table_78850 ("Main contestant" CLOB, "Co-contestant  ( Yaar vs. Pyaar ) " CLOB, "Date performed" CLOB, "Scores by each individual judge" CLOB, "Total score/week" CLOB, "Position" CLOB, "Status" CLOB)

Who is the main contestant with scores by each individual judge of 8 + 7 + 7 = 21?
SELECT "Main contestant" FROM table_78850 WHERE "Scores by each individual judge" = '8 + 7 + 7 = 21'
SELECT "Main contestant" FROM "table_78850" WHERE "Scores by each individual judge" = '8 + 7 + 7 = 21'