user: Question: how many episodes in the series had as a production code 16016? 
Columns: ['No. in series', 'No. in season', 'Title', 'Directed by', 'Written by', 'Original air date', 'Production code', 'U.S. viewers (millions)']
Types: ['real', 'real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [350.0, 1.0, '"Red Ball"', 'Matthew Penn', 'David Wilcox', 'September21,2005', 16001.0, '13.03']
SQL:

assistant: SELECT COUNT("No. in series") FROM "Table" WHERE "Production code" = 16016.0;