Question: Which vocal type has the band mate with first name "Solveig" played the most?
Schema: create table vocals (bandmate varchar, PRIMARY KEY (bandmate)); create table band (id varchar, PRIMARY KEY (id))
SQL: select type from vocals as t1 join band as t2 on t1.bandmate = t2.id where firstname = "solveig" group by type order by count(*) desc limit 1