Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Silver Age of Comic Books
Table title:
Collectibility
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Title & Issue </th><th colspan=1 rowspan=1 > Cover date </th><th colspan=1 rowspan=1 > Publisher </th><th colspan=1 rowspan=1 > Relevance </th></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Detective Comics #225 </td><td class="highlighted"  colspan=1 rowspan=1 > Nov. 1955 </td><td colspan=1 rowspan=1 > DC </td><td class="highlighted"  colspan=1 rowspan=1 > First appearance of Martian Manhunter. </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Showcase #4 </td><td class="highlighted"  colspan=1 rowspan=1 > Oct. 1956 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > First appearance of the Silver Age Flash (Barry Allen). First Silver Age comic. </td></tr>
<tr> <td colspan=1 rowspan=1 > Showcase #9 </td><td colspan=1 rowspan=1 > Aug. 1957 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > First of two pilot issues for the feature "Superman's Girl Friend, Lois Lane". </td></tr>
<tr> <td colspan=1 rowspan=1 > Adventure Comics #247 </td><td colspan=1 rowspan=1 > April 1958 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > First appearance of the Legion of Super-Heroes. </td></tr>
<tr> <td colspan=1 rowspan=1 > Adventure Comics #260 </td><td colspan=1 rowspan=1 > May 1959 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > First appearance of the Silver Age Aquaman. </td></tr>
<tr> <td colspan=1 rowspan=1 > Action Comics #252 </td><td colspan=1 rowspan=1 > May 1959 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > First appearance of Supergirl (Kara Zor-El), cousin to Superman. </td></tr>
<tr> <td colspan=1 rowspan=1 > Showcase #22 </td><td colspan=1 rowspan=1 > Oct. 1959 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > First appearance of Green Lantern (Hal Jordan). </td></tr>
<tr> <td colspan=1 rowspan=1 > The Brave and the Bold #28 </td><td colspan=1 rowspan=1 > March 1960 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > First gathering of DC's superheroes as the Justice League of America. </td></tr>
<tr> <td colspan=1 rowspan=1 > Richie Rich #1 </td><td colspan=1 rowspan=1 > Nov. 1960 </td><td colspan=1 rowspan=1 > Harvey </td><td colspan=1 rowspan=1 > Richie Rich gets his own title. </td></tr>
<tr> <td colspan=1 rowspan=1 > Showcase #30 </td><td colspan=1 rowspan=1 > Feb. 1961 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > First of four pilot issues for Aquaman. </td></tr>
<tr> <td colspan=1 rowspan=1 > The Brave and the Bold #34 </td><td colspan=1 rowspan=1 > March 1961 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > First appearance of Silver Age Hawkman and Hawkgirl. </td></tr>
<tr> <td colspan=1 rowspan=1 > The Flash #123 </td><td colspan=1 rowspan=1 > Sept. 1961 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > Reappearance of the Golden Age Flash. Introduction of Earth-Two. </td></tr>
<tr> <td colspan=1 rowspan=1 > The Fantastic Four #1 </td><td colspan=1 rowspan=1 > Nov. 1961 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First appearance of the Fantastic Four. </td></tr>
<tr> <td colspan=1 rowspan=1 > Tales to Astonish #27 </td><td colspan=1 rowspan=1 > Jan. 1962 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First appearance of Henry Pym, the future Ant-Man. </td></tr>
<tr> <td colspan=1 rowspan=1 > The Incredible Hulk #1 </td><td colspan=1 rowspan=1 > May 1962 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First appearance of the Hulk. </td></tr>
<tr> <td colspan=1 rowspan=1 > The Fantastic Four #5 </td><td colspan=1 rowspan=1 > July 1962 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First appearance of Dr. Doom. </td></tr>
<tr> <td colspan=1 rowspan=1 > Amazing Fantasy #15 </td><td colspan=1 rowspan=1 > Aug. 1962 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First appearance of Spider-Man (Peter Parker). </td></tr>
<tr> <td colspan=1 rowspan=1 > Journey into Mystery #83 </td><td colspan=1 rowspan=1 > Aug. 1962 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First appearance of Marvel's Thor (Thor Odinson / Donald Blake). </td></tr>
<tr> <td colspan=1 rowspan=1 > Tales to Astonish #35 </td><td colspan=1 rowspan=1 > Sept. 1962 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First appearance of Ant-Man (Henry Pym). </td></tr>
<tr> <td colspan=1 rowspan=1 > Doctor Solar, Man of the Atom #1 </td><td colspan=1 rowspan=1 > Oct. 1962 </td><td colspan=1 rowspan=1 > Gold Key </td><td colspan=1 rowspan=1 > First appearance of Doctor Solar. </td></tr>
<tr> <td colspan=1 rowspan=1 > Magnus, Robot Fighter #1 </td><td colspan=1 rowspan=1 > Feb. 1963 </td><td colspan=1 rowspan=1 > Gold Key </td><td colspan=1 rowspan=1 > First appearance of Magnus, Robot Fighter. </td></tr>
<tr> <td colspan=1 rowspan=1 > Tales of Suspense #39 </td><td colspan=1 rowspan=1 > March 1963 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First appearance of Iron Man (Tony Stark). </td></tr>
<tr> <td colspan=1 rowspan=1 > Strange Tales #110 </td><td colspan=1 rowspan=1 > Jul. 1963 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First appearance of Doctor Strange. </td></tr>
<tr> <td colspan=1 rowspan=1 > Justice League of America #21 </td><td colspan=1 rowspan=1 > Aug. 1963 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > Reappearance of the Golden Age Justice Society of America. </td></tr>
<tr> <td colspan=1 rowspan=1 > The X-Men #1 </td><td colspan=1 rowspan=1 > Sept. 1963 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First appearance of the X-Men and Magneto (comics). </td></tr>
<tr> <td colspan=1 rowspan=1 > The Avengers #1 </td><td colspan=1 rowspan=1 > Sept. 1963 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First gathering of Marvel's superheroes as the Avengers. </td></tr>
<tr> <td colspan=1 rowspan=1 > The Avengers #4 </td><td colspan=1 rowspan=1 > March 1964 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > Reappearance of Captain America (Steve Rogers) from the Golden Age of Comic Books. </td></tr>
<tr> <td colspan=1 rowspan=1 > Daredevil #1 </td><td colspan=1 rowspan=1 > April 1964 </td><td colspan=1 rowspan=1 > Marvel </td><td colspan=1 rowspan=1 > First appearance of Daredevil. </td></tr>
<tr> <td colspan=1 rowspan=1 > Detective Comics #327 </td><td colspan=1 rowspan=1 > May 1964 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > "New Look" Batman and Robin. </td></tr>
<tr> <td colspan=1 rowspan=1 > The Brave and the Bold #54 </td><td colspan=1 rowspan=1 > June 1965 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > First appearance of the Teen Titans. </td></tr>
<tr> <td colspan=1 rowspan=1 > Detective Comics #359 </td><td colspan=1 rowspan=1 > Jan. 1967 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > First appearance of Batgirl (Barbara Gordon). </td></tr>
<tr> <td colspan=1 rowspan=1 > Green Lantern #76 </td><td colspan=1 rowspan=1 > April 1970 </td><td colspan=1 rowspan=1 > DC </td><td colspan=1 rowspan=1 > "The New Green Lantern / Green Arrow" tackles social issues. </td></tr>
</table>
Question:
Who was the publisher of this comic?
Answer:
Martian Manhunter introduced in Detective Comics #225 predates Showcase #4 by almost a year.