query: SELECT count(*) FROM participants AS T1 JOIN Participants_in_Events AS T2 ON T1.Participant_ID  =  T2.Participant_ID WHERE T1.participant_details LIKE '%Dr.%'
question: How many events having participants whose details had substring 'Dr.'
query_toks: SELECT count ( * ) FROM participants AS T1 JOIN Participants_in_Events AS T2 ON T1.Participant_ID = T2.Participant_ID WHERE T1.participant_details LIKE ' % Dr. % '
query_toks_no_value: select count ( * ) from participants as t1 join participants_in_events as t2 on t1 . participant_id = t2 . participant_id where t1 . participant_details like value
question_toks: How many events having participants whose details had substring 'Dr.'