CREATE TABLE table_25283 ("Constituency" TEXT, "Winner" TEXT, "Party" TEXT, "Margin" FLOAT, "Runner-up a" TEXT, "Party a" TEXT)

What is every party A with a constituency of Tiruchendur?
SELECT "Party a" FROM table_25283 WHERE "Constituency" = 'Tiruchendur'
SELECT "Party a" FROM "table_25283" WHERE "Constituency" = 'Tiruchendur'