Question: How many live births per year are there in the period where the life expectancy for females is 73.3?
Schema: create table table_18950570_2 (live_births_per_year varchar, life_expectancy_females varchar, PRIMARY KEY (live_births_per_year))
SQL: select live_births_per_year from table_18950570_2 where life_expectancy_females = "73.3"