human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Season, MLS Regular Season, MLS Cup Playoffs, Lamar Hunt U.S. Open Cup, CONCACAF Champions Cup / CONCACAF Champions League
###Question: What was the mls cup playoffs when concacaf champions cup / concacaf champions league was quarter-finals (09-10)?
gpt
SELECT MLS Cup Playoffs FROM table WHERE CONCACAF Champions Cup / CONCACAF Champions League = Quarter-Finals (09-10)