What 1986 movie was nominated for a Tony Award for Best Book of a Musical?
select name from musical where year = 1986 and category = 'Best book of a Musical' and result = 'Nominated'
How many actors appeared in it?
select count ( t1.name ) from actor as t1 join musical as t2 on t1.musical_id = t2.musical_id where t2.year = 1986 and t2.category = 'Best book of a Musical' and t2.result = 'Nominated'
What are their names?
select t1.name from actor as t1 join musical as t2 on t1.musical_id = t2.musical_id where t2.year = 1986 and t2.category = 'Best book of a Musical' and t2.result = 'Nominated'