How many live births per year are there in the period where the life expectancy for females is 73.3?
CREATE TABLE table_18950570_2 (
    live_births_per_year VARCHAR,
    life_expectancy_females VARCHAR
)
SELECT live_births_per_year FROM table_18950570_2 WHERE life_expectancy_females = "73.3"
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: How many live births per year are there in the period where the life expectancy for females is 73.3? ### Input: CREATE TABLE table_18950570_2 (
    live_births_per_year VARCHAR,
    life_expectancy_females VARCHAR
) ### Response: SELECT live_births_per_year FROM table_18950570_2 WHERE life_expectancy_females = "73.3"