CREATE TABLE table_66529 ("Year" FLOAT, "Champion" TEXT, "Grand Finalist" TEXT, "Champion Team Members" TEXT, "Grand Finalists" TEXT)

who is the grand finalist when the grand finalists are jonathan loh, peterson poon, nathan santos?
SELECT "Grand Finalist" FROM table_66529 WHERE "Grand Finalists" = 'jonathan loh, peterson poon, nathan santos'
SELECT "Grand Finalist" FROM "table_66529" WHERE "Grand Finalists" = 'jonathan loh, peterson poon, nathan santos'