CREATE TABLE table_16473 ("Season" FLOAT, "MLS Cup Winner" TEXT, "MLS Cup Runner-Up" TEXT, "MLS Supporters Shield Winner" TEXT, "MLS Supporters Shield Runner-Up" TEXT)

Which shield winner has the mls cup runner up and the season is 2000?
SELECT "MLS Cup Runner-Up" FROM table_16473 WHERE "Season" = '2000'
SELECT "MLS Cup Runner-Up" FROM "table_16473" WHERE "Season" = '2000'