Question: what is the full form of ssb in indian army
[{'answer': 'Services Selection Board', 'provenance': [{'wikipedia_id': '10773350', 'title': 'Services Selection Board', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]