Database: superhero (difficulty: simple)
Question: In superheroes with weight less than 100, list the full name of the superheroes with Indigo eyes.
SQL: SELECT T1.full_name FROM superhero AS T1 INNER JOIN colour AS T2 ON T1.eye_colour_id = T2.id WHERE T1.weight_kg < 100 AND T2.colour = 'Indigo'