SELECT s.spid, DatabaseName = DB_NAME(s.dbid),
s.program_name, s.loginame, ObjectName = OBJECT_NAME(objectid, s.dbid),
Definition = CAST(text AS VARCHAR(MAX))
FROM sys.sysprocesses s
CROSS APPLY sys.dm_exec_sql_text(sql_handle)
WHERE s.spid > 50
check in the "ObjectName" column for the sp name , the you can kill the curresponding SPID using the KILL statement in a new query window