Table: fertility_rates_russia_regions
Columns: year
azerbaijan
armenia
belarus
georgia
kazakhstan
kyrghizstan
latvia
lithuania
moldova
russia
tajikistan
turkmenikstan
uzbekistan
ukraine
estonia

Question: Tell me the lowest kazakhstan for kyrghizstan of 4.62 and belarus less than 2.46
SQL: SELECT MIN("kazakhstan") FROM fertility_rates_russia_regions WHERE "kyrghizstan" = 4.62 AND "belarus" < 2.46