In complaints received in 2014, how many of them were submitted via call?
in 2014 refers to Date received LIKE '2014%'; submitted via call refers to Submitted via = 'Phone'
SELECT COUNT(T2.`Complaint ID`) FROM callcenterlogs AS T1 INNER JOIN events AS T2 ON T1.`Complaint ID` = T2.`Complaint ID` WHERE T2.`Submitted via` = 'Phone' AND strftime('%Y', T1.`Date received`) = '2014'