CREATE TABLE "series_winners" (
  "season" real,
  "season_premiere_date" text,
  "season_finale_date" text,
  "winner" text,
  "1st_runner_up" text,
  "2nd_runner_up" text
);

Question: Who won when mahesh manjrekar was the 2nd runner-up?
SQL: SELECT "winner" FROM "series_winners" WHERE "2nd_runner_up"='mahesh manjrekar';

Question: When was the season finale of a show with season premiere on 12 December 2010?
SQL: SELECT "season_finale_date" FROM "series_winners" WHERE "season_premiere_date"='12 december 2010';