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_23619212_1 (_percentage_of_all_immigrants_2004 VARCHAR, _percentage_of_all_immigrants_2006 VARCHAR)
### Question:
What's the percentage of immigrants in 2004 in the country with 2.1% of the immigrants in 2006?
### Answer:
SELECT _percentage_of_all_immigrants_2004 FROM table_23619212_1 WHERE _percentage_of_all_immigrants_2006 = "2.1%"