Table: t_1972_redskins_draft
Columns: round
pick
player
position
school_club_team

Question: Pick larger than 229, and a Round smaller than 12, and a Position of defensive back is what school/club team?
SQL: SELECT "school_club_team" FROM t_1972_redskins_draft WHERE "pick" > 229 AND "round" < 12 AND "position" = 'defensive back'

Question: Player of mike o'quinn, and a Round smaller than 15 had what lowest pick?
SQL: SELECT MIN("pick") FROM t_1972_redskins_draft WHERE "player" = 'mike o''quinn' AND "round" < 15

Question: Round of 11 had waht sum of pick?
SQL: SELECT SUM("pick") FROM t_1972_redskins_draft WHERE "round" = 11