How many different values of clubs involved were there when the league entering at this round was allsvenskan?
CREATE TABLE table_29566686_1 (clubs_involved VARCHAR, leagues_entering_at_this_round VARCHAR)
SELECT COUNT(clubs_involved) FROM table_29566686_1 WHERE leagues_entering_at_this_round = "Allsvenskan"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29566686_1 (clubs_involved VARCHAR, leagues_entering_at_this_round VARCHAR) Question: How many different values of clubs involved were there when the league entering at this round was allsvenskan? [/INST] SELECT COUNT(clubs_involved) FROM table_29566686_1 WHERE leagues_entering_at_this_round = "Allsvenskan" </s>