query: SELECT TYPE FROM vocals AS T1 JOIN band AS T2 ON T1.bandmate  =  T2.id WHERE lastname  =  "Heilo" GROUP BY TYPE ORDER BY count(*) DESC LIMIT 1
question: Which vocal type with last name " Heilo has band mate " had played most?
query_toks: SELECT TYPE FROM vocals AS T1 JOIN band AS T2 ON T1.bandmate = T2.id WHERE lastname = `` Heilo '' GROUP BY TYPE ORDER BY count ( * ) DESC LIMIT 1
query_toks_no_value: select type from vocals as t1 join band as t2 on t1 . bandmate = t2 . id where lastname = value group by type order by count ( * ) desc limit value
question_toks: Which vocal type with last name " Heilo has band mate " had played most?