question: What did the population of Russians do between 1926-1959 ?
answer: grew from less than 1 % to 13 %
turker_answer: The population of Russians grew from less than 1 % to 13 % between 1926 and 1959 .
rule-based: The population of Russians grew from less than 1 % to 13 % between 1926-1959 .