Table schema:
CREATE TABLE party_events (party_id VARCHAR, Event_Name VARCHAR); CREATE TABLE region (region_id VARCHAR, region_name VARCHAR); CREATE TABLE party (region_id VARCHAR, party_id VARCHAR)

Question: How many Annual Meeting events happened in the United Kingdom region?
SQL: SELECT COUNT(*) FROM region AS t1 JOIN party AS t2 ON t1.region_id = t2.region_id JOIN party_events AS t3 ON t2.party_id = t3.party_id WHERE t1.region_name = "United Kingdom" AND t3.Event_Name = "Annaual Meeting"