SCHEMA:
CREATE TABLE table_name_22 (population_1961 INTEGER, administrative_county VARCHAR, population_1891 VARCHAR)
User Question:
What is the Population 1961 of West Sussex with a Population of 120,952 or less?


SELECT SUM(population_1961) FROM table_name_22 WHERE administrative_county = "west sussex" AND population_1891 < 120 OFFSET 952