How many types are there for the measure where there were 312680 yes votes?
CREATE TABLE table_256286_45 (type VARCHAR, yes_votes VARCHAR)
SELECT COUNT(type) FROM table_256286_45 WHERE yes_votes = 312680
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_256286_45 (type VARCHAR, yes_votes VARCHAR) Question: How many types are there for the measure where there were 312680 yes votes? [/INST] SELECT COUNT(type) FROM table_256286_45 WHERE yes_votes = 312680 </s>