Database: world_development_indicators
Question: In Sub-Saharan Africa, how many female out-of-school children of primary school age are there in the country with the higest number of female out-of-school children of primary school age? Indicate the year of when it was recorded.
SQL: SELECT MAX(T1.value), T1.year FROM indicators AS T1 INNER JOIN country AS T2 ON T1.CountryCode = T2.CountryCode WHERE T2.Region = 'Sub-Saharan Africa' AND T1.IndicatorName = 'Out-of-school children of primary school age, female (number)'