How many measurements of the Czech Republic's population density are recorded in this table?
CREATE TABLE table_24066938_1 (pop_density_people_km_2 VARCHAR, member_state VARCHAR)
SELECT COUNT(pop_density_people_km_2) FROM table_24066938_1 WHERE member_state = "Czech Republic"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_24066938_1 (pop_density_people_km_2 VARCHAR, member_state VARCHAR) Question: How many measurements of the Czech Republic's population density are recorded in this table? [/INST] SELECT COUNT(pop_density_people_km_2) FROM table_24066938_1 WHERE member_state = "Czech Republic" </s>