CREATE TABLE table_28298 ("Shortscale comparison" TEXT, "Chuquet" TEXT, "Peletier" TEXT, "Systematics" TEXT, "Base 10" TEXT, "SI Prefix" TEXT)

Name the si prefix for thousand chuquet
SELECT "SI Prefix" FROM table_28298 WHERE "Chuquet" = 'thousand'
SELECT "SI Prefix" FROM "table_28298" WHERE "Chuquet" = 'thousand'