question: What is the Club of mexico, Year of 2010, and a Competition of preseason, and a Result of w 0–1?
answer: SELECT club FROM table_name_8 WHERE nation = "mexico" AND year = 2010 AND competition = "preseason" AND result = "w 0–1"
context: CREATE TABLE table_name_8 (club VARCHAR, result VARCHAR, competition VARCHAR, nation VARCHAR, year VARCHAR)