In "No Loan Again, Naturally", how many stars received votes of no more than 50?
"No Loan Again, Naturally" is the title of episode; votes of no more than 50 refers to votes < 50; number of stars refers to SUM(stars)
SELECT COUNT(*) FROM Episode AS T1 INNER JOIN Vote AS T2 ON T2.episode_id = T1.episode_id WHERE T1.title = 'No Loan Again, Naturally' AND T2.votes < 50;