Table: irrigation_districts
Columns: irrigation_district
juntas_de_regantes_wub
asociaciones_wua
tareas_15_9_tareas_1_ha
users

Question: What are the Juntas de Regantes (WUB) within the Azua Valley?
SQL: SELECT "juntas_de_regantes_wub" FROM irrigation_districts WHERE "irrigation_district" = 'Azua Valley'

Question: Which irrigation district has 4733 users?
SQL: SELECT "irrigation_district" FROM irrigation_districts WHERE "users" = 4733

Question: What's the number of users in the Nisibon-Yuma within the Del Este district?
SQL: SELECT "users" FROM irrigation_districts WHERE "irrigation_district" = 'Del Este' AND "juntas_de_regantes_wub" = 'Nisibon-Yuma'