Who was the writer of the episode titled "Pier Pressure"?
{'header': ['No. in series', 'Title', 'Directed by', 'Written by', 'Original airdate', 'Production code'], 'page_title': '', 'page_id': '', 'types': ['text', 'text', 'text', 'text', 'text', 'text'], 'id': '1-16581695-2', 'section_title': '', 'caption': '', 'rows': [['1–2', '"Ben 10 Returns"', 'Dan Riba and Butch Lukic', 'Dwayne McDuffie', 'April18,2008', '101–102'], ['3', '"Everybody Talks About the Weather"', 'Dan Riba', 'Dwayne McDuffie', 'April26,2008', '103'], ['4', '"Kevin\'s Big Score"', 'Butch Lukic', 'Matt Wayne', 'May3,2008', '104'], ['5', '"All that Glitters"', 'Dan Riba', 'Bob Goodman', 'May10,2008', '105'], ['6', '"Max Out"', 'Butch Lukic', 'Jim Krieg', 'May17,2008', '107'], ['7', '"Pier Pressure"', 'Dan Riba', 'Len Uhley', 'May31,2008', '106'], ['8', '"What are Little Girls Made of?"', 'Butch Lukic', 'Matt Wayne', 'June7,2008', '109'], ['9', '"The Gauntlet"', 'Dan Riba', 'Rob Hoegee', 'June14,2008', '110'], ['10', '"Paradox"', 'Butch Lukic', 'Jim Krieg', 'July5,2008', '112'], ['11', '"Be-Knighted"', 'Dan Riba', 'Stan Berkowitz', 'July12,2008', '108'], ['12', '"Plumbers\' Helpers"', 'Dan Riba', 'Len Uhley', 'July19,2008', '111']], 'name': 'table_16581695_2'}