How many French heads of state have a head of mission of Xavier Daufresne de la Chevalerie?
CREATE TABLE table_29474481_4 (french_head_of_state VARCHAR, head_of_mission VARCHAR)
SELECT COUNT(french_head_of_state) FROM table_29474481_4 WHERE head_of_mission = "Xavier Daufresne de la Chevalerie"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29474481_4 (french_head_of_state VARCHAR, head_of_mission VARCHAR) Question: How many French heads of state have a head of mission of Xavier Daufresne de la Chevalerie? [/INST] SELECT COUNT(french_head_of_state) FROM table_29474481_4 WHERE head_of_mission = "Xavier Daufresne de la Chevalerie" </s>