user: Question: Which Round is the highest one that has a Position of Running Back?
Columns: ['Round', 'Pick', 'Player', 'Position', 'School/Club Team']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 1.0, 'Ernie Davis', 'Running Back', 'Syracuse']
SQL:

assistant: SELECT MAX("Round") FROM "Table" WHERE "Position" = 'Running Back';