CREATE TABLE table_2984 ("Member State" TEXT, "Population in thousands" TEXT, "Population % of EU" TEXT, "Area km 2" FLOAT, "Area % of EU" TEXT, "Pop. density People/km 2" TEXT)

How many measurements of the Czech Republic's population density are recorded in this table?
SELECT COUNT("Pop. density People/km 2") FROM table_2984 WHERE "Member State" = 'Czech Republic'
SELECT COUNT("Pop. density People/km 2") FROM "table_2984" WHERE "Member State" = 'Czech Republic'