You've run a SQL query on just the EPISODE table in Clarity and notice that the OB$\_$HIGHEST$\_$BPcolumn seems to be null on your first page of results.Part $1$ of $2$Which of the following reasons could explain why OB$\_$HIGHEST$\_$BP is null?SELECT ALL THAT APPLY $(1$ PT$)$A$.$ This data point was not documented in HyperspaceB. An error took place during the Clarity ETL processC. Providers typed $"$N$/$A$"$ in HyperspaceD. OB$\_$HIGHEST$\_$BP is a deprecated column