Question: How many margins have a winner of S. Singaravadivel?
SQL: SELECT COUNT("Margin") FROM "1-22753439-1" WHERE "Winner" = 'S. Singaravadivel';

Question: How many winners have a runner-up of A. Karthikeyan?
SQL: SELECT COUNT("Winner") FROM "1-22753439-1" WHERE "Runner-up a" = 'A. Karthikeyan';

Question: What is every party with a winner of P. Chidambaram?
SQL: SELECT "Party a" FROM "1-22753439-1" WHERE "Winner" = 'P. Chidambaram';

Question: What is every party A with a constituency of Tiruchendur?
SQL: SELECT "Party a" FROM "1-22753439-1" WHERE "Constituency" = 'Tiruchendur';