CREATE TABLE table_19701 ("Year" TEXT, "General Election" TEXT, "Seats Won" FLOAT, "Change in Seat" FLOAT, "% of votes" TEXT, "votes swing" TEXT)

What was the vote swing for the general election of the 12th lok sabha?
SELECT "votes swing" FROM table_19701 WHERE "General Election" = '12th Lok Sabha'
SELECT "votes swing" FROM "table_19701" WHERE "General Election" = '12th Lok Sabha'