CREATE TABLE table_name_9 (founded NUMBER, municipality VARCHAR2, population__2010_ VARCHAR2)

In what year was Yauco, which had over 42,043 people in 2010, founded?
SELECT AVG(founded) FROM table_name_9 WHERE municipality = "yauco" AND population__2010_ > 42 OFFSET 043
SELECT AVG("founded") FROM "table_name_9" WHERE "municipality" = "yauco" AND "population__2010_" > 42 OFFSET 043 ROWS