Table: redskins_draft
Columns: round
pick
overall
name
position
college

Question: What was the Overall number for the player with a position of C and a round greater than 7?
SQL: SELECT SUM("overall") FROM redskins_draft WHERE "round" > 7 AND "position" = 'c'

Question: What was the Overall number that is the lowest, and has a pick greater than 9?
SQL: SELECT MIN("overall") FROM redskins_draft WHERE "pick" > 9