Statement: gilbert adler directed funhouse

Input Table: list of freddy 's nightmares episodes

Step 1: Select rows where 'director__s_' is 'gilbert adler'.
series season title director__s_ writer__s_ original_airdate
23 1 dream come true george kaczender thomas lazarus 1989-10-02
24 2 heartbreak hotel william malone jonathan glassner 1989-10-09
25 3 welcome to springwood ken wiederhorn a l katz and gilbert adler 1989-10-16
26 4 photo finish tom desimone jonathan glassner 1989-10-23
27 5 memory overload don weis michael kirschenbaum 1989-10-30
28 6 lucky stiff william malone david braff 1989-11-06
29 7 silence is golden chuck braverman jonathan glassner 1989-11-13
30 8 bloodlines james quinn gilbert adler and a l katz 1989-11-20
31 9 monkey dreams robert englund michael kirschenbaum 1989-11-27
32 10 do you know where the kids are bill froelich wayne rice 1989-12-04
33 11 dreams that kill tom de simone tom blumquist 1989-12-11
34 12 what you don't know can kill you ken wiederhorn jonathan glassner 1990-01-01
35 13 easy come , easy go william malone david braff 1990-01-08
36 14 prime cut david calloway michael kirschenbaum 1990-01-15
37 15 interior loft ken wiederhorn david braff 1990-01-22
38 16 interior loft later ken wiederhorn jonathan glassner 1990-01-29
39 17 funhouse gilbert adler al katz and gilbert adler 1990-02-05
40 18 a family affair keith samples david braff 1990-02-12
41 19 dust to dust jonathan glassner bill froehlich , david braff , and jonathan glassner 1990-02-19
42 20 prisoner of love richard t schor richard beban 1990-02-26
43 21 life sentence anita w addison david zuckerman 1990-03-05
Step 2: Use a `CASE` statement to return TRUE if the number of rows is equal to 1, otherwise return FALSE.
series season title director__s_ writer__s_ original_airdate
39 17 funhouse gilbert adler al katz and gilbert adler 1990-02-05
verification_result
TRUE