user: Question: Which position does Robert Nkemdiche play?
Columns: ['Player', 'Position', 'School', 'Hometown', 'College']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ["Su'a Cravens", 'Defensive back', 'Vista Murrieta High School', 'Murrieta, California', 'Southern California']
SQL:

assistant: SELECT "Position" FROM "Table" WHERE "Player" = 'Robert Nkemdiche';