Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_11656578_2 (voivodeship VARCHAR, population__1980_ VARCHAR)
### Question:
How many different voivodenship have 747 900 citizes?
### Answer:
SELECT COUNT(voivodeship) FROM table_11656578_2 WHERE population__1980_ = "747 900"