Table: hamaoka_nuclear_power_plant
Columns: unit
reactor_type
net_capacity
gross_capacity
construction_start
grid_connection
commercial_operation
status

Question: What is the status of the Hamaoka-3 unit?
SQL: SELECT "status" FROM hamaoka_nuclear_power_plant WHERE "unit" = 'hamaoka-3'

Question: What is the gross capacity of the unit that started commercial operation on August 28, 1987?
SQL: SELECT "gross_capacity" FROM hamaoka_nuclear_power_plant WHERE "commercial_operation" = 'august 28, 1987'

Question: When was commercial operation where construction started June 10, 1971?
SQL: SELECT "commercial_operation" FROM hamaoka_nuclear_power_plant WHERE "construction_start" = 'june 10, 1971'

Question: What is the gross capacity where the reactor is ABWR type?
SQL: SELECT "gross_capacity" FROM hamaoka_nuclear_power_plant WHERE "reactor_type" = 'abwr'

Question: When was the Hamaoka-4 unit commercial operation date?
SQL: SELECT "commercial_operation" FROM hamaoka_nuclear_power_plant WHERE "unit" = 'hamaoka-4'

Question: What is the status of the unit with a net capacity of 1212 MW?
SQL: SELECT "status" FROM hamaoka_nuclear_power_plant WHERE "net_capacity" = '1212 mw'