user: ### NOW ANSWER:
Question: In what year was yauco, which had over 42043 people in 2010, founded?
Columns: ['Municipality', 'FIPS code', 'Founded', 'Population (2010)', 'Area']
Types: ['text', 'real', 'real', 'real', 'text']
Sample row: ['Adjuntas', 1.0, 1815.0, 19483.0, '66.69 sq mi (172.73 sq km)']
SQL:

assistant: SELECT AVG("Founded") FROM "Table" WHERE "Municipality" = 'yauco' AND "Population (2010)" > 42043.0;