Table: libyan_demographics
Columns: periodo
births
deaths
difference
cbr
cdr
imr
tfr

Question: What is the lowest CDR that has 112 as the difference?
SQL: SELECT MIN("cdr") FROM libyan_demographics WHERE "difference" = 112

Question: What TFR has births less than 131, with 125 as an IMR?
SQL: SELECT "tfr" FROM libyan_demographics WHERE "births" < 131 AND "imr" = 125