not a valid subject

SQL1 is SELECT id, name, alpha, bold, bodytext, active, meta, intro, plural FROM subjects WHERE name='Lady Bird Johnson Obituary' OR plural='Lady Bird Johnson Obituary' ORDER BY alpha DESC LIMIT 1
SQL2 is
SQL3 is SELECT image_id from image_data where property_type='strip' AND image_id IN (17931, 17898) LIMIT 1

Array ( [error] => [warning] => [status] => 0 [fields] => Array ( [0] => keywords [1] => participants [2] => setting [3] => caption ) [attrs] => Array ( [published] => 2 [viewable] => 2 [property] => 1 ) [matches] => Array ( [17931] => Array ( [weight] => 4 [attrs] => Array ( [published] => 2007 [viewable] => 2007 [property] => 58 ) ) [17898] => Array ( [weight] => 4 [attrs] => Array ( [published] => 2007 [viewable] => 2007 [property] => 71 ) ) ) [total] => 2 [total_found] => 2 [time] => 0.000 [words] => Array ( [lady] => Array ( [docs] => 1073 [hits] => 1758 ) [bird] => Array ( [docs] => 1790 [hits] => 3096 ) [johnson] => Array ( [docs] => 133 [hits] => 262 ) [obituary] => Array ( [docs] => 398 [hits] => 447 ) ) )

17931, 17898