How many party classifications are there for the senator from Canton? 
CREATE TABLE table_26129220_2 (party VARCHAR, residence VARCHAR)
SELECT party FROM table_26129220_2 WHERE residence = "Canton"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_26129220_2 (party VARCHAR, residence VARCHAR) Question: How many party classifications are there for the senator from Canton?  [/INST] SELECT party FROM table_26129220_2 WHERE residence = "Canton" </s>