CREATE TABLE table_51995 ("Region" TEXT, "Voter registration" FLOAT, "Voter turnout" FLOAT, "BYuT" FLOAT, "OU-PSD" FLOAT)

What is the voter registration that has a BYut of 48.2?
SELECT COUNT("Voter registration") FROM table_51995 WHERE "BYuT" = '48.2'
SELECT COUNT("Voter registration") FROM "table_51995" WHERE "BYuT" = '48.2'