CREATE TABLE table_2508633_9 (college VARCHAR, nfl_team VARCHAR, position VARCHAR)

What college did the tight end draft pick for New England Patriots come from?
SELECT college FROM table_2508633_9 WHERE nfl_team = "New England Patriots" AND position = "Tight end"
SELECT "college" FROM "table_2508633_9" WHERE "New England Patriots" = "nfl_team" AND "Tight end" = "position"