Table: draft_history_69
Columns: round
pick
overall
name
position
college

Question: What is the lowest round that a pick had a position of ls?
SQL: SELECT MIN("round") FROM draft_history_69 WHERE "position" = 'ls'

Question: What was the sum of the rounds for the player who had a position of LS and an overall draft pick bigger than 230?
SQL: SELECT SUM("round") FROM draft_history_69 WHERE "position" = 'ls' AND "overall" > 230