Step 1: Select rows where 'title' is 'spy vs spy'.
| title | genre | c___64 | zx_spectrum | others | year | format | 
| goodness gracious | arcade | c64 | n / a | n / a | 1983-01-01 | tape | 
| kriegspiel | strategy | n / a | n / a | dragon 32 | 1983-01-01 | tape | 
| space station zebra | arcade | n / a | zx spectrum | n / a | 1983-01-01 | tape | 
| up periscope | strategy | n / a | n / a | dragon 32 | 1983-01-01 | tape | 
| ankh | puzzle | c64 | n / a | n / a | 1984-01-01 | tape | 
| aztec | arcade | c64 | n / a | n / a | 1984-01-01 | tape | 
| lords of midnight | graphic adventure | c64 | zx spectrum | amstrad cpc | 1984-01-01 | tape , disk | 
| mr robot | arcade | c64 | n / a | n / a | 1984-01-01 | tape | 
| my chess ii | board game | c64 | n / a | n / a | 1984-01-01 | tape , disk | 
| psytron | tactical combat | c64 | zx spectrum | n / a | 1984-01-01 | tape | 
| spellbound | arcade | n / a | zx spectrum | n / a | 1984-01-01 | tape | 
| spy vs spy | arcade | c64 | zx spectrum | amstrad cpc | 1984-01-01 | tape | 
| bounces | arcade | c64 | zx spectrum | n / a | 1985-01-01 | tape | 
| doomdark 's revenge | graphic adventure | c64 | zx spectrum | amstrad cpc | 1985-01-01 | tape | 
| psi warrior | arcade | c64 | n / a | n / a | 1985-01-01 | tape | 
| shadowfire | tactical combat | c64 | zx spectrum | amstrad cpc | 1985-01-01 | tape | 
| shadowfire tuner | game editor | c64 | zx spectrum | n / a | 1985-01-01 | tape | 
| sorderon 's shadow | graphic adventure | n / a | zx spectrum | n / a | 1985-01-01 | tape | 
| quake minus one | rts | c64 | n / a | n / a | 1985-01-01 | tape | 
| superman : the game | arcade / strategy | c64 | n / a | n / a | 1985-01-01 | tape | 
| enigma force | tactical combat | c64 | zx spectrum | n / a | 1986-01-01 | tape | 
| dante 's inferno | arcade adventure | c64 | n / a | n / a | 1986-01-01 | tape | 
| infodroid | arcade | c64 | n / a | n / a | 1986-01-01 | tape | 
| romper room | educational | c64 | zx spectrum | n / a | 1986-01-01 | tape | 
 
Step 2: Select rows where 'genre' is 'arcade'.
| title | genre | c___64 | zx_spectrum | others | year | format | 
| spy vs spy | arcade | c64 | zx spectrum | amstrad cpc | 1984-01-01 | tape | 
 
 
Step 3: Select rows where 'format' is 'amstrad cpc'.
| title | genre | c___64 | zx_spectrum | others | year | format | 
| spy vs spy | arcade | c64 | zx spectrum | amstrad cpc | 1984-01-01 | tape | 
 
 
Step 4: Use a `CASE` statement to return TRUE if the number of rows is equal to 1, otherwise return FALSE.
| title | genre | c___64 | zx_spectrum | others | year | format | 
 
 
| verification_result | 
| FALSE |