How many elected catagories are there for the district with Saxby Chambliss as the incumbent? 
CREATE TABLE table_26336739_1 (elected VARCHAR, incumbent VARCHAR)
SELECT COUNT(elected) FROM table_26336739_1 WHERE incumbent = "Saxby Chambliss"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26336739_1 (elected VARCHAR, incumbent VARCHAR) Question: How many elected catagories are there for the district with Saxby Chambliss as the incumbent?  [/INST] SELECT COUNT(elected) FROM table_26336739_1 WHERE incumbent = "Saxby Chambliss" </s>