CREATE TABLE table_9551 ("Election" FLOAT, "Number of NDC votes" TEXT, "Share of votes" TEXT, "Seats" FLOAT, "Outcome of election" TEXT)

What is the share of votes with 3,567,021 NDC votes?
SELECT "Share of votes" FROM table_9551 WHERE "Number of NDC votes" = '3,567,021'
SELECT "Share of votes" FROM "table_9551" WHERE "Number of NDC votes" = '3,567,021'