Table: chevrolet_hhr_specs
Columns: year
trim
engine
power
torque
epa_2008_city

Question: What's the Year Average that has a Power of BHP (KW) and Trim of LS/2LT?
SQL: SELECT AVG("year") FROM chevrolet_hhr_specs WHERE "power" = 'bhp (kw)' AND "trim" = 'ls/2lt'

Question: Which Engine has a Year that's Larger than 2006 and Power of BHP (KW)?
SQL: SELECT "engine" FROM chevrolet_hhr_specs WHERE "year" > 2006 AND "power" = 'bhp (kw)'

Question: What Torque has a Power of HP (KW)?
SQL: SELECT "torque" FROM chevrolet_hhr_specs WHERE "power" = 'hp (kw)'

Question: What's the Year average that's got Trim of LS/LT and Power of HP (KW)?
SQL: SELECT AVG("year") FROM chevrolet_hhr_specs WHERE "trim" = 'ls/lt' AND "power" = 'hp (kw)'