How many times was the incumbent john dawson redistricted from the 15th district?
CREATE TABLE table_2668393_18 (candidates VARCHAR, incumbent VARCHAR)
SELECT COUNT(candidates) FROM table_2668393_18 WHERE incumbent = "John Dawson Redistricted from the 15th district"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_2668393_18 (candidates VARCHAR, incumbent VARCHAR) Question: How many times was the incumbent john dawson redistricted from the 15th district? [/INST] SELECT COUNT(candidates) FROM table_2668393_18 WHERE incumbent = "John Dawson Redistricted from the 15th district" </s>