CREATE TABLE table_2514 ("District" TEXT, "Vacator" TEXT, "Reason for change" TEXT, "Successor" TEXT, "Date successor seated" TEXT)

what is the total number of reasons for change where the date the successor was seated is june 8, 1876?
SELECT COUNT("Reason for change") FROM table_2514 WHERE "Date successor seated" = 'June 8, 1876'
SELECT COUNT("Reason for change") FROM "table_2514" WHERE "Date successor seated" = 'June 8, 1876'