What was the number of seasons that was directed by Joanna Kerns?
CREATE TABLE table_17356106_1 (season__number VARCHAR, directed_by VARCHAR)
SELECT COUNT(season__number) FROM table_17356106_1 WHERE directed_by = "Joanna Kerns"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_17356106_1 (season__number VARCHAR, directed_by VARCHAR) Question: What was the number of seasons that was directed by Joanna Kerns? [/INST] SELECT COUNT(season__number) FROM table_17356106_1 WHERE directed_by = "Joanna Kerns" </s>