CREATE TABLE table_28020 ("Agency" TEXT, "Route Number" TEXT, "North/East Terminal" TEXT, "South/West Terminal" TEXT, "More Information" TEXT)

Name the route number for rincon valley
SELECT "Route Number" FROM table_28020 WHERE "South/West Terminal" = 'Rincon Valley'
SELECT "Route Number" FROM "table_28020" WHERE "South/West Terminal" = 'Rincon Valley'