how many dmii renl nt st uncntrld patients were diagnosed within 2 months after being diagnosed with pseudomonal pneumonia?
select count( distinct t1.subject_id ) from ( select admissions.subject_id, diagnoses_icd.charttime from diagnoses_icd join admissions on diagnoses_icd.hadm_id = admissions.hadm_id where diagnoses_icd.icd9_code = ( select d_icd_diagnoses.icd9_code from d_icd_diagnoses where d_icd_diagnoses.short_title = 'dmii renl nt st uncntrld' ) ) as t1 join ( select admissions.subject_id, diagnoses_icd.charttime from diagnoses_icd join admissions on diagnoses_icd.hadm_id = admissions.hadm_id where diagnoses_icd.icd9_code = ( select d_icd_diagnoses.icd9_code from d_icd_diagnoses where d_icd_diagnoses.short_title = 'pseudomonal pneumonia' ) ) as t2 on t1.subject_id = t2.subject_id where t1.charttime < t2.charttime and datetime(t2.charttime) between datetime(t1.charttime) and datetime(t1.charttime,'+2 month')