CREATE TABLE table_203_270 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "venue" TEXT, "position" TEXT, "event" TEXT, "notes" TEXT)

how many consecutive years did pavel loskutov run in the joongang seoul marathon ?
SELECT COUNT("year") FROM table_203_270 WHERE "competition" = 'joongang seoul marathon'
SELECT COUNT("year") FROM "table_203_270" WHERE "competition" = 'joongang seoul marathon'