What is the greatest first elected for Pennsylvania 10?
CREATE TABLE table_name_56 (first_elected INTEGER, district VARCHAR)
SELECT MAX(first_elected) FROM table_name_56 WHERE district = "pennsylvania 10"
### Context: CREATE TABLE table_name_56 (first_elected INTEGER, district VARCHAR) ### Question: What is the greatest first elected for Pennsylvania 10? ### Answer: SELECT MAX(first_elected) FROM table_name_56 WHERE district = "pennsylvania 10"