CREATE TABLE table_39599 ("District" TEXT, "Name" TEXT, "Party" TEXT, "Hometown" TEXT, "First Elected" FLOAT, "Towns Represented" TEXT)

How many values of first elected are for district 16?
SELECT COUNT("First Elected") FROM table_39599 WHERE "District" = '16'
SELECT COUNT("First Elected") FROM "table_39599" WHERE "District" = '16'