Table: draft_history_68
Columns: round
pick
overall
name
position
college

Question: WHAT IS THE ROUND WITH PICK OF 7?
SQL: SELECT SUM("round") FROM draft_history_68 WHERE "pick" = 7

Question: WHAT IS THE PICK WITH K POSITION AND OVERALL SMALLER THAN 181?
SQL: SELECT SUM("pick") FROM draft_history_68 WHERE "position" = 'k' AND "overall" < 181

Question: WHAT IS THE ROUND FROM MICHIGAN COLLEGE, AND OVERALL LARGER THAN 37?
SQL: SELECT SUM("round") FROM draft_history_68 WHERE "college" = 'michigan' AND "overall" > 37

Question: WHAT IS THE LOWEST ROUND FOR CB POSITION?
SQL: SELECT MIN("round") FROM draft_history_68 WHERE "position" = 'cb'