CREATE TABLE table_25287 ("Constituency" TEXT, "Winner" TEXT, "Party" TEXT, "Margin" FLOAT, "Runner-up a" TEXT, "Party a" TEXT)

How many margin results are listed in the election that was won by L. Adaikalaraj C and the party was the Indian national congress?
SELECT COUNT("Margin") FROM table_25287 WHERE "Party" = 'Indian National Congress' AND "Winner" = 'L. Adaikalaraj c'
SELECT COUNT("Margin") FROM "table_25287" WHERE "Party" = 'Indian National Congress' AND "Winner" = 'L. Adaikalaraj c'