Table: draft_history_35
Columns: round
pick
overall
name
position
college

Question: Which college's overall number is more than 158 when Travian Robertson is the name?
SQL: SELECT "college" FROM draft_history_35 WHERE "overall" > 158 AND "name" = 'travian robertson'

Question: Which round's name is Jonathan Massaquoi?
SQL: SELECT "round" FROM draft_history_35 WHERE "name" = 'jonathan massaquoi'

Question: What is the mean round number for center position when the pick number is less than 23?
SQL: SELECT AVG("round") FROM draft_history_35 WHERE "position" = 'center' AND "pick" < 23