CREATE TABLE table_73685 ("Season" FLOAT, "MLS Regular Season" TEXT, "MLS Cup Playoffs" TEXT, "Lamar Hunt U.S. Open Cup" TEXT, "CONCACAF Champions Cup / CONCACAF Champions League" TEXT)

How many mls cup playoffs where there for the mls regular season is 1st, east* (13-7-10)?
SELECT COUNT("MLS Cup Playoffs") FROM table_73685 WHERE "MLS Regular Season" = '1st, East* (13-7-10)'
SELECT COUNT("MLS Cup Playoffs") FROM "table_73685" WHERE "MLS Regular Season" = '1st, East* (13-7-10)'