how many date of birts are if the previous club is chelsea
CREATE TABLE table_27998152_1 (date_of_birth VARCHAR, previous_club VARCHAR)
SELECT COUNT(date_of_birth) FROM table_27998152_1 WHERE previous_club = "Chelsea"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_27998152_1 (date_of_birth VARCHAR, previous_club VARCHAR) Question: how many date of birts are if the previous club is chelsea [/INST] SELECT COUNT(date_of_birth) FROM table_27998152_1 WHERE previous_club = "Chelsea" </s>