CREATE TABLE table_1808 ("Year" FLOAT, "Lok Sabha" TEXT, "Members of Parliament" TEXT, "Party Won" TEXT, "Winners % votes" TEXT, "Trailing Party" TEXT, "Trailing Party % votes" TEXT)

What year was the winners vote 55.99%?
SELECT MIN("Year") FROM table_1808 WHERE "Winners % votes" = '55.99%'
SELECT MIN("Year") FROM "table_1808" WHERE "Winners % votes" = '55.99%'