What is the archive of the show that aired on 18april1970?
CREATE TABLE table_2102898_1 (archive VARCHAR, broadcast_date VARCHAR)
SELECT archive FROM table_2102898_1 WHERE broadcast_date = "18April1970"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2102898_1 (archive VARCHAR, broadcast_date VARCHAR) Question: What is the archive of the show that aired on 18april1970? [/INST] SELECT archive FROM table_2102898_1 WHERE broadcast_date = "18April1970" </s>