What's the sum of the population for the place simplified 上杭县 with an area smaller than 2,879?
CREATE TABLE table_name_68 (population INTEGER, simplified VARCHAR, area VARCHAR)
SELECT SUM(population) FROM table_name_68 WHERE simplified = "上杭县" AND area < 2 OFFSET 879 ROWS
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_68 (population INTEGER, simplified VARCHAR, area VARCHAR) Question: What's the sum of the population for the place simplified 上杭县 with an area smaller than 2,879? [/INST] SELECT SUM(population) FROM table_name_68 WHERE simplified = "上杭县" AND area < 2 OFFSET 879 ROWS </s>