During fiscal year 1999, we were called upon to testify 229 times before 93 congressional committees or subcommittees as shown in Figure 21 below.
We have never been called to testify at all.  
mnli hypothesis: We have never been called to testify at all.   premise: During fiscal year 1999, we were called upon to testify 229 times before 93 congressional committees or subcommittees as shown in Figure 21 below.