What is the total number of tiers for the postseason of semifinalist?
CREATE TABLE table_name_45 (tier INTEGER, postseason VARCHAR)
SELECT SUM(tier) FROM table_name_45 WHERE postseason = "semifinalist"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_45 (tier INTEGER, postseason VARCHAR) Question: What is the total number of tiers for the postseason of semifinalist? [/INST] SELECT SUM(tier) FROM table_name_45 WHERE postseason = "semifinalist" </s>