CREATE TABLE table_203_538 (id DECIMAL, "flight" TEXT, "date" TEXT, "payload nickname" TEXT, "payload" TEXT, "orbit" TEXT, "result" TEXT)

how many partial failures of h ii flights were there ?
SELECT COUNT(*) FROM table_203_538 WHERE "result" = 'partial failure'
SELECT COUNT(*) FROM "table_203_538" WHERE "result" = 'partial failure'