user: Question: What is the average Round, when Pick # is greater than 70, and when Position is Tackle?
Columns: ['Round', 'Pick #', 'Player', 'Position', 'College']
Types: ['real', 'real', 'text', 'text', 'text']
Sample row: [1.0, 2.0, 'Randy White', 'Defensive Tackle', 'Maryland']
SQL:

assistant: SELECT AVG("Round") FROM "Table" WHERE "Pick #" > 70.0 AND "Position" = 'Tackle';