CREATE TABLE table_204_747 (id DECIMAL, "season" TEXT, "skip" TEXT, "third" TEXT, "second" TEXT, "lead" TEXT, "events" TEXT)

in how many seasons did david nedohin play ?
SELECT COUNT("season") FROM table_204_747 WHERE "skip" = 'david nedohin'
SELECT COUNT("season") FROM "table_204_747" WHERE "skip" = 'david nedohin'