question: What is the Lowest lost for Team Ypiranga-SP where the games Played is more than 10 and the goals Against is greater than 50?
answer: SELECT MIN(lost) FROM table_name_71 WHERE played > 10 AND team = "ypiranga-sp" AND against > 50
context: CREATE TABLE table_name_71 (lost INTEGER, against VARCHAR, played VARCHAR, team VARCHAR)