looks up by value equaling owner_id and then scopes to column or row named


### before changes
```
2.1.2 :002 > Benchmark.measure {1000.times do; SettingWebsiteFinder.new(Setting.find(208)).find;end}
=> #<Benchmark::Tms:0x007f994e6ea750 @label="", @real=32.43557, @cstime=0.0, @cutime=0.0, @stime=0.5899999999999999, @utime=30.470000000000002, @total=31.060000000000002>

=> #<Benchmark::Tms:0x007f99527b1540 @label="", @real=28.804119, @cstime=0.0, @cutime=0.0, @stime=0.43000000000000016, @utime=28.259999999999998, @total=28.689999999999998>

=> #<Benchmark::Tms:0x007f99525c0290 @label="", @real=30.075354, @cstime=0.0, @cutime=0.0, @stime=0.5299999999999998, @utime=29.239999999999995, @total=29.769999999999996>

=> #<Benchmark::Tms:0x007f994b4f1848 @label="", @real=30.305381, @cstime=0.0, @cutime=0.0, @stime=0.54, @utime=29.440000000000012, @total=29.98000000000001>

=> #<Benchmark::Tms:0x007f994e6da738 @label="", @real=29.460082, @cstime=0.0, @cutime=0.0, @stime=0.4700000000000002, @utime=28.829999999999984, @total=29.299999999999983>
```
### after changing to where: owner_id
```
2.1.2 :002 > Benchmark.measure {1000.times do; SettingWebsiteFinder.new(Setting.find(208)).find;end}

=> #<Benchmark::Tms:0x007f995138e338 @label="", @real=4.512613, @cstime=0.0, @cutime=0.0, @stime=0.11999999999999988, @utime=1.6399999999999997, @total=1.7599999999999996>

=> #<Benchmark::Tms:0x007f994e0a2c80 @label="", @real=4.278465, @cstime=0.0, @cutime=0.0, @stime=0.09000000000000008, @utime=1.5300000000000002, @total=1.6200000000000003>

=> #<Benchmark::Tms:0x007f9951186658 @label="", @real=4.375944, @cstime=0.0, @cutime=0.0, @stime=0.08999999999999986, @utime=1.54, @total=1.63>

=> #<Benchmark::Tms:0x007f994b191400 @label="", @real=4.342567, @cstime=0.0, @cutime=0.0, @stime=0.09000000000000008, @utime=1.5199999999999996, @total=1.6099999999999997>

=> #<Benchmark::Tms:0x007f995179df28 @label="", @real=4.263697, @cstime=0.0, @cutime=0.0, @stime=0.09000000000000008, @utime=1.540000000000001, @total=1.630000000000001>
```