user: ### NOW ANSWER:
Question: What is the height if DE is the position?
Columns: ['Round', 'Choice', 'Player name', 'Position', 'Height', 'Weight', 'College']
Types: ['real', 'real', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, 9.0, 'B. J. Raji', 'DT', "6'2'", 337.0, 'Boston College']
SQL:

assistant: SELECT COUNT("Height") FROM "Table" WHERE "Position" = 'DE';