Add script for Simons Genome Diversity Project sample attributes.
Add script for Simons Genome Diversity Project sample attributes.

Change-Id: I03bd997f9acd807a2969b0c1db6dbd958923587b

googlegenomics/bigquery-examples,googlegenomics/bigquery-examples,deflaux/bigquery-examples,deflaux/bigquery-examples,googlegenomics/bigquery-examples,deflaux/bigquery-examples