Table: t_9_ad
Columns: name
cyl
bore
capacity
power
weight

Question: Which Power has a Name of 9 nc?
SQL: SELECT "power" FROM t_9_ad WHERE "name" = '9 nc'

Question: Which Weight has a Power of kw (hp) at 1,800rpm, and a Name of 9 nc?
SQL: SELECT "weight" FROM t_9_ad WHERE "power" = 'kw (hp) at 1,800rpm' AND "name" = '9 nc'

Question: Which Bore has a Name of 9 adr?
SQL: SELECT "bore" FROM t_9_ad WHERE "name" = '9 adr'

Question: Which Power has a Name of 9 ad?
SQL: SELECT "power" FROM t_9_ad WHERE "name" = '9 ad'