Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Season(s) | Position(s) | Notes |
| --- | --- | --- | --- |
| Omar Daal | 2000–2001 | Pitcher | 15–16 record\n4.52 earned run average\n158 strikeouts |
| Babe Dahlgren | 1943 | First baseman | .287 batting average\n5 home runs\n56 runs batted in |
| Sam Dailey | 1929 | Pitcher | 2–2 record\n7.54 earned run average\n18 strikeouts |
| Ed Daily | 1885–1887 | Outfielder\nPitcher | .230 batting average\n6 home runs\n42–36 record\n2.77 earned run average |
| Clay Dalrymple | 1960–1968 | Catcher | .234 batting average\n50 home runs\n312 runs batted in |
| Tony Daniels | 1945 | Second baseman | .200 batting average\n2 triples\n10 runs batted in |
| Alvin Dark | 1960 | Third baseman | .242 batting average\n3 home runs\n14 runs batted in |
| George Darrow | 1934 | Pitcher | 2–6 record\n5.51 earned run average\n14 strikeouts |
| Darren Daulton§ | 1983\n1985–1997 | Catcher | .245 batting average\n134 home runs\n567 runs batted in |
| Curt Davis | 1934–1936 | Pitcher | 37–35 record\n3.42 earned run average\n191 strikeouts |
| Dick Davis | 1981–1982 | Right fielder | .311 batting average\n4 home runs\n26 runs batted in |
| Dixie Davis | 1918 | Pitcher | 0–2 record\n3.06 earned run average\n18 strikeouts |
| Jacke Davis | 1962 | Left fielder | .213 batting average\n1 home run\n6 runs batted in |
| Kane Davis | 2007 | Pitcher | 0–1 record\n5.56 earned run average\n10 strikeouts |
| Kiddo Davis | 1932\n1934 | Center fielder | .302 batting average\n11 triples\n105 runs batted in |
| Mark Davis | 1980–1981\n1993 | Pitcher | 2–6 record\n6.31 earned run average\n62 strikeouts |
| Spud Davis | 1928–1933\n1938–1939 | Catcher | .321 batting average\n53 home runs\n363 runs batted in |
| Bill Dawley | 1988 | Pitcher | 0–2 record\n13.50 earned run average\n3 strikeouts |
| Bill Day | 1889–1890 | Pitcher | 1–4 record\n4.10 earned run average\n29 strikeouts |
| Justin De Fratus | 2011 | Pitcher | 1–0 record\n2.25 earned run average\n3 strikeouts |
| Valerio de los Santos | 2003 | Pitcher | 1–0 record\n9.00 earned run average\n4 strikeouts |
| Wayland Dean | 1926–1927 | Pitcher | 8–17 record\n5.01 earned run average\n53 strikeouts |
| Art Decatur | 1925–1927 | Pitcher | 7–18 record\n6.18 earned run average\n58 strikeouts |
| Harry Decker | 1889–1890 | Second baseman | .204 batting average\n1 double\n4 runs batted in |
| Pep Deininger | 1908–1909 | Center fielder | .260 batting average\n9 doubles\n16 runs batted in |
| Bill Deitrick | 1927–1928 | Left fielder\nShortstop | .198 batting average\n6 doubles\n7 runs batted in |
| Iván DeJesús | 1982–1984 | Shortstop | .249 batting average\n15 triples\n139 runs batted in |
| José DeJesús | 1990–1991 | Pitcher | 17–17 record\n3.55 earned run average\n205 strikeouts |
| Bobby Del Greco | 1960–1961\n1965 | Center fielder | .240 batting average\n12 home runs\n37 runs batted in |
| Garton del Savio | 1943 | Shortstop | .091 batting average\n12 plate appearances\n1 walk |
| Ed Delahanty§ | 1888–1889\n1891–1901 | Left fielder | .348 batting average\n442 doubles*\n157 triples*\n87 home runs |
| Tom Delahanty | 1894 | Second baseman | .250 batting average\n1 single\n4 plate appearances |
| José DeLeón | 1992–1993 | Pitcher | 3–1 record\n3.19 earned run average\n41 strikeouts |
| Eddie Delker | 1932–1933 | Second baseman | .165 batting average\n1 home run\n8 runs batted in |
| David Dellucci | 2006 | Left fielder\nRight fielder | .292 batting average\n13 home runs\n39 runs batted in |
| Al Demaree | 1915–1916 | Pitcher | 33–25 record\n2.80 earned run average\n199 strikeouts |
| Don Demeter | 1961–1963 | Outfielder\nThird baseman | .276 batting average\n71 home runs\n258 runs batted in |
| Tod Dennehey | 1923 | Left fielder | .292 batting average\n2 doubles\n2 runs batted in |
| Jerry Denny | 1891 | First baseman\nThird baseman | .288 batting average\n1 double\n11 runs batted in |
| John Denny | 1982–1985 | Pitcher | 37–29 record\n2.96 earned run average\n375 strikeouts |
| Mike DePangher | 1884 | Catcher | .200 batting average\n2 singles\n11 plate appearances |
| Bob Dernier | 1980–1983\n1988–1989 | Center fielder\nRight fielder | .241 batting average\n7 home runs\n60 runs batted in |
| Jim Deshaies | 1995 | Pitcher | 0–1 record\n20.25 earned run average\n6 strikeouts |
| Mickey Devine | 1918 | Catcher | .125 batting average\n1 double\n8 plate appearances |
| Jim Devlin | 1887 | Pitcher | 0–2 record\n6.00 earned run average\n6 strikeouts |
| Josh Devore | 1913–1914 | Left fielder\nCenter fielder | .293 batting average\n3 doubles\n12 runs batted in |
| Bo Díaz | 1982–1985 | Catcher | .256 batting average\n36 home runs\n174 runs batted in |
| Murry Dickson | 1954–1956 | Pitcher | 22–34 record\n3.71 earned run average\n157 strikeouts |
| Dutch Dietz | 1943 | Pitcher | 1–1 record\n6.50 earned run average\n10 strikeouts |
| Gordon Dillard | 1989 | Pitcher | 6.75 earned run average\n3 runs allowed\n2 strikeouts |
| Pickles Dillhoefer | 1918 | Catcher | .091 batting average\n1 singles\n2 stolen bases |
| Vince DiMaggio | 1945–1946 | Center fielder | .255 batting average\n19 home runs\n85 runs batted in |
| Kerry Dineen | 1978 | Left fielder | .250 batting average\n1 double\n9 plate appearances |
| Vance Dinges | 1945–1946 | Outfielder | .291 batting average\n2 home runs\n46 runs batted in |
| Ron Diorio | 1973–1974 | Pitcher | 3.10 earned run average\n11 strikeouts\n7 walks |
| Glenn Dishman | 1996 | Pitcher | 7.71 earned run average\n3 strikeouts\n2 walks |
| Greg Dobbs | 2007–2010 | Third baseman | .261 batting average\n29 home runs\n130 runs batted in |
| Robert Dodd | 1998 | Pitcher | 1–0 record\n7.20 earned run average\n4 strikeouts |
| John Dodge | 1912–1913 | Third baseman | .126 batting average\n1 double\n3 runs batted in |
| Cozy Dolan | 1912–1913 | Third baseman | .267 batting average\n6 doubles\n15 runs batted in |
| Joe Dolan | 1899–1901 | Second baseman | .215 batting average\n2 home runs\n59 runs batted in |
| Deacon Donahue | 1943–1944 | Pitcher | 0–2 record\n6.75 earned run average\n3 strikeouts |
| Red Donahue | 1898–1901 | Pitcher | 72–48 record\n3.26 earned run average\n237 strikeouts |
| She Donahue | 1904 | Shortstop\nThird baseman | .215 batting average\n4 doubles\n14 runs batted in |
| Blix Donnelly | 1946–1950 | Pitcher | 16–22 record\n3.64 earned run average\n161 strikeouts |
| Alexander Donoghue | 1891 | Center fielder\nShortstop | .318 batting average\n1 double\n2 runs batted in |
| Jerry Donovan | 1906 | Catcher | .199 batting average\n4 doubles\n15 runs batted in |
| Red Dooin | 1902–1914 | Catcher | .241 batting average\n10 home runs\n335 runs batted in |
| Mickey Doolan | 1905–1913 | Shortstop | .236 batting average\n11 home runs\n445 runs batted in |
| David Doster | 1996\n1999 | Second baseman | .233 batting average\n4 home runs\n18 runs batted in |
| Klondike Douglass | 1898–1904 | First baseman\nCatcher | .261 batting average\n22 triples\n197 runs batted in |
| Tommy Dowd | 1897 | Right fielder | .292 batting average\n14 doubles\n43 runs batted in |
| Ken Dowell | 1987 | Shortstop | .128 batting average\n5 singles\n1 run batted in |
| Tom Downey | 1912 | Third baseman | .292 batting average\n1 home runs\n23 runs batted in |
| Dave Downs | 1972 | Pitcher | 1–1 record\n2.74 earned run average\n5 strikeouts |
| Tom Dowse | 1892 | Catcher | .185 batting average\n10 hits\n6 runs batted in |
| Conny Doyle | 1883 | Left fielder | .221 batting average\n3 doubles\n3 runs batted in |
| Denny Doyle | 1970–1973 | Second baseman | .240 batting average\n9 home runs\n92 runs batted in |
| Jack Doyle | 1904 | First baseman | .220 batting average\n1 home run\n22 runs batted in |
| Solly Drake | 1959 | Left fielder | .145 batting average\n1 double\n3 runs batted in |
| Karl Drews | 1951–1954 | Pitcher | 25–25 record\n3.74 earned run average\n187 strikeouts |
| Monk Dubiel | 1948 | Pitcher | 8–10 record\n3.89 earned run average\n42 strikeouts |
| Rob Ducey | 1999–2000\n2000–2001 | Left fielder | .232 batting average\n15 home runs\n62 runs batted in |
| Brandon Duckworth | 2001–2003 | Pitcher | 15–18 record\n4.87 earned run average\n275 strikeouts |
| Clise Dudley | 1931–1932 | Pitcher | 9–15 record\n3.84 earned run average\n55 strikeouts |
| Hugh Duffy | 1904–1906 | Center fielder\nLeft fielder | .287 batting average\n3 doubles\n8 runs batted in |
| Gus Dugas | 1933 | First baseman | .169 batting average\n3 doubles\n9 runs batted in |
| Oscar Dugey | 1915–1917 | Second baseman | .193 batting average\n8 doubles\n10 runs batted in |
| Bill Duggleby | 1898\n1901–1907 | Pitcher | 90–99 record\n3.20 earned run average\n445 strikeouts\n81 hit batsmen* |
| Mariano Duncan | 1992–1995 | Second baseman\nShortstop | .274 batting average\n30 home runs\n194 runs batted in |
| Vern Duncan | 1913 | Right fielder\nLeft fielder | .417 batting average\n1 double\n1 run batted in |
| Lee Dunham | 1926 | First baseman | .250 batting average\n1 run batted in\n4 plate appearances |
| Davey Dunkle | 1897–1898 | Pitcher | 6–6 record\n5.32 earned run average\n30 strikeouts |
| Jack Dunn | 1900–1901 | Pitcher | 5–6 record\n5.74 earned run average\n13 strikeouts |
| Chad Durbin | 2008–2010 | Pitcher | 11–7 record\n3.62 earned run average\n188 strikeouts |
| J. D. Durbin | 2007 | Pitcher | 6–5 record\n5.15 earned run average\n39 strikeouts |
| Ryne Duren | 1963–1965 | Pitcher | 6–2 record\n3.38 earned run average\n95 strikeouts |
| George Durning | 1925 | Right fielder | .357 batting average\n5 hits\n1 run batted in |
| Lenny Dykstra | 1989–1996 | Center fielder | .289 batting average\n51 home runs\n251 runs batted in |
Question:
tell me the number of left fielders on the list.
Answer:
12